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United vs Delta Pricing: Fares & Fees Comparison 2026

Delta's branded fare structure offers more transparent pricing with four main tiers (Basic Economy, Main Cabin, Comfort+, First Class) and includes more amenities at lower price points, while United's tiered system (Basic Economy, Economy, Plus, Business) emphasizes ancillary revenue through à la carte fees and charges for traditionally-included services.

United Airlines

United Airlines

Major U.S. carrier with hub-and-spoke model emphasizing ancillary revenue and elite loyalty rewards.

Price-conscious business travelers with elite status, frequent flyers who maximize elite night bonuses, and passengers comfortable with tiered fees

Score63%
VS
Delta Air Lines

Delta Air Lines

Premium-focused carrier with bundled amenities and transparent pricing across all fare tiers.

Leisure travelers prioritizing simplicity and transparency, consumers who change flights frequently, and flyers seeking predictable total costs without surprise fees

Score63%

Quick Answer

AI Summary

Delta's branded fare structure offers more transparent pricing with four main tiers (Basic Economy, Main Cabin, Comfort+, First Class) and includes more amenities at lower price points, while United's tiered system (Basic Economy, Economy, Plus, Business) emphasizes ancillary revenue through à la carte fees and charges for traditionally-included services.

Our Verdict

AI-assisted

Delta's pricing strategy emphasizes consumer-friendly transparency with more inclusive amenities at each tier, making it better for frequent leisure travelers who value straightforward pricing without surprises. United's approach maximizes ancillary revenue through strategic fee placement, benefiting price-sensitive passengers booking Basic Economy but disadvantaging those seeking flexibility. Choose Delta if you want predictable, bundled pricing; choose United if you fly frequently enough to benefit from elite perks and don't mind à la carte fees for occasional add-ons.

Community feedback

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United Airlines
6.6/10
Delta Air Lines
8.4/10
United Airlines

Choose United Airlines if

Price-conscious business travelers with elite status, frequent flyers who maximize elite night bonuses, and passengers comfortable with tiered fees

Delta Air Lines

Choose Delta Air Lines if

Best pick

Leisure travelers prioritizing simplicity and transparency, consumers who change flights frequently, and flyers seeking predictable total costs without surprise fees

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Key Differences at a Glance

  • Basic Economy Checked Bag Fee:$35 first bag vs $35 first bag
  • Seat Selection in Basic Economy:Delta Air Lines wins(Free (standard seat selection included) vs Paid (middle/back seats ~$15-25))
  • Carry-on Bag in Basic Economy:Delta Air Lines wins(Personal item + overhead bin access vs Personal item only)
See all 7 differences

Key Facts & Figures

112 numeric metrics compared

MetricUnited AirlinesDelta Air LinesRatio
Annual Revenue(USD billions)$54 Billion
Destinations340+
Mainline Fleet Size(aircraft)982924
Boeing 737-800/900ER Aircraft(aircraft)254 (127 each variant)Declining operations
Boeing 737 Fleet Count(aircraft)254 (737-800/900ER combined)Legacy 737s present
Total Mainline Aircraft(aircraft)982924
Delta Sky Club Locations(clubs)Expanding network56 clubs
In-Flight Seat Screens(inches)16-inch screens (type pending)16-inch 4K OLED
Primary Narrowbody Aircraft Count(aircraft)254 (737-800: 127 + 737-900ER: 127)A321neo fleet expanding
Fleet Size Difference(aircraft)+58 aircraft advantage-58 aircraft disadvantage
Total Mainline Fleet Size(aircraft)982 aircraft924 aircraft
Business Class Lie-Flat Seats (Long-Haul)(seats per aircraft)Up to 28 seats (new aircraft)
Total Mainline Fleet(aircraft)982 aircraft924 aircraft
Years Since Last New Aircraft Type(years)First new Airbus in 20+ years (A321neo)A321neo already integrated
New Destinations Launched (2026)(number of cities)5+ new regional destinations
Long-Haul Route Innovation(flight hours)22-hour one-stop flights
Mainline Aircraft Fleet Size(aircraft)982924
Q4 2025 Operating Revenue(USD billions)$15.4 billion$16.0 billion
Pre-Tax Profit Margin(percentage)8.5%9.5%
Premium Revenue Growth (2025)(year-over-year percentage)11%Not disclosed
Government Shutdown Financial Impact(USD millions)$250 million$200 million
Q4 2025 Revenue Growth Rate(year-over-year percentage)4.8%3.0%
Aircraft Fleet Diversity Index(types)Boeing/Airbus mixed (limited A321neo uptake)Boeing/Airbus optimized (A350 + A321neo focus)
Fleet Age Modernization Progress(%)Slower (just beginning A321neo transition)Faster (A350 + A321neo established)
Fleet Size Advantage(additional aircraft)+58Baseline
Business Class Seat Screen Size(inches)16-inch 4K OLED (2026)Not specified
Premium Cabin Redesign Timeline(year)2026 (Polaris redesign launching)Not specified
Business Class Display Screen Size(inches)16-inch 4K OLEDStandard display (size not specified)
Fleet Size(aircraft)~900
Domestic Destinations(count)250+
International Destinations(destinations)60+
Average Domestic Ticket Price(USD)$230
On-Time Performance(%)79.1%
On-Time Arrival Rate (2025)(percent)79.8%82.3%
Average Domestic Ticket Price(USD)$389$348
Customer Satisfaction Score (J.D. Power 2025)(points)776783
Frequent Flyer Elite Status Threshold(annual miles)30,00025,000
Involuntary Overbooking Rate(per 10,000 passengers)2.11.8
Global Destinations(destinations)350+325+
First-Class Seat Pitch (Long-Haul)(inches)18.117.2
Annual Passengers(millions)180 million175 million
Customer Satisfaction (ACSI Score)(points out of 100)7376
Frequent Flyer Program Members(millions)106 million118 million
DOT Complaints per 100k Passengers(complaints)2.82.1
International Destinations(cities)340+320+
Fleet Size(aircraft)850+900+
Customer Satisfaction (J.D. Power 2024)(score)7578
Economy Seat Pitch(inches)3131
Annual Revenue (2024)(Billion USD)$59.8B$61.2B
Premium Economy Seat Pitch(inches)34 inches (Plus)35 inches (Comfort+)
Frequent Flyer Base Earning Rate(miles per dollar)1.01.0
Customer Satisfaction Score(out of 5)7276
Average Annual Revenue(billion USD)$58.2B$63.4B
Customer Satisfaction (J.D. Power 2025)(score out of 1000)738759
Average Domestic One-Way Base Fare(USD)$318$324
Premium Cabin Seat Pitch (Business/Polaris)(inches)6.5 feet (direct-aisle on 787)6 feet (direct-aisle on select aircraft)
Customer Satisfaction Rating(out of 5 stars)3.4/53.8/5
On-Time Performance(%)79.3%82.5%
International Destinations Served(destinations)340+325 destinations
Average Domestic Round-Trip Ticket Price(USD)$289$312
Premium Economy Legroom Benefit(inches)United Extra (3 inches extra)Delta Comfort+ (2-3 inches extra)
Total Aircraft Fleet(aircraft)843902
On-Time Arrival Rate (2024)(%)81.2%83.5%
Daily Flights Operated(flights)4,800+5,400+
Customer Satisfaction Score (J.D. Power 2024)(points out of 1000)73/10076/100
Annual Frequent Flyer Miles Devaluation(%)8%5%
Widebody Aircraft (787/777/350)(aircraft)358312
DOT Complaints Per 100,000 Passengers (2024)(complaints/100k passengers)2.842.18
On-Time Arrival Performance (2024)(%)80.2%82.1%
Total Fleet Size(aircraft)878 aircraft912 aircraft
First Checked Baggage Fee (Economy)(USD)$35$35
J.D. Power Customer Satisfaction Score (2024)(score (0-1000))740758
Average Economy Seat Pitch(inches)31 inches32 inches
Domestic Hub Cities(hubs)45
On-Time Arrival Performance(percent)80.1%81.5%
Average Fleet Age(years)14.1 years12.8 years
DOT Complaint Rate(per 100,000 passengers)3.62.8
Daily Domestic Flights(flights)5,200+ flights5,400+ flights
Revenue Passenger Miles (Annual)(billions)182 billion RPM198 billion RPM
On-Time Arrival Rate(%)81.2%82.5%
Mishandled Baggage Rate(per 1,000 passengers)0.580.45
Modern Aircraft (787/737MAX) Percentage(%)25%18%
Complaint Ratio(per 100k passengers)2.411.89
Total Aircraft Fleet Size(aircraft)850+900+
Global Destinations Served(destinations)340+360+
First Checked Baggage Fee(USD)$35$35
Average Domestic Round-Trip Ticket(USD)$378$385
Elite Frequent Flyer Entry Threshold(miles/year)25,000 miles25,000 miles
Crew Complaints per 100k Passengers(complaints)3.82.1
Premium Loyalty Earning Rate(miles per dollar multiplier)3-12x5-12x
Domestic Route Network(U.S. cities served)280+285+
On-Time Performance Rate(percent)81.2%82.5%
First Checked Baggage Fee (Domestic)(USD)$38$38
Premium Economy Retrofit Coverage(percent of fleet)48%65%
Customer Complaint Rate(per 100k passengers)2.82.3
Major Hub Airports(hubs)8 hubs7 hubs
Average Domestic Fare(USD)$287$312
Destinations Served Globally(cities)342 destinations325 destinations
Customer Net Promoter Score(NPS points)3845
Annual DOT Complaints Filed(complaints)8,2476,531
Elite Frequent Flyer Free Upgrades(upgrades/year)2 free upgrades4 free upgrades
Baggage Fees (First Checked Bag)(USD)$38$38
Average Domestic Fare Premium(%)baseline+4.2%
Maximum Elite Bonus Miles(percent)200%
Free Checked Baggage Allowance(bags)1 (most fares)
Baggage Delay Complaints (per 100,000 passengers)(complaints)2.8
First Checked Bag Fee (Domestic)(USD)$35$35
Main Cabin Change Fee (Domestic)(USD)$100 averageFree
Average Domestic Round-Trip Base Fare(USD)$285$298
Elite Night Bonuses (Annual, Top Tier)(nights)50 (1K)10 (Diamond)
On-Time Performance (2024)(%)79.8%82.4%
Global Route Network(countries served)352 destinations (6 continents)325 destinations (6 continents)

Sourced from publicly available data ·

Key Differences

7 attributes compared head-to-head

United Airlines
2United Airlines
Delta Air Lines leads1 tie
Delta Air Lines
4Delta Air Lines
  • Basic Economy Checked Bag Fee

    United Airlines

    $35 first bag

    Delta Air Lines

    $35 first bag

  • Seat Selection in Basic Economy

    United Airlines

    Paid (middle/back seats ~$15-25)

    Delta Air Lines

    Free (standard seat selection included)(winner)

  • Carry-on Bag in Basic Economy

    United Airlines

    Personal item only

    Delta Air Lines

    Personal item + overhead bin access(winner)

  • Main Cabin Domestic Ticket Flexibility

    United Airlines

    $75-125 change fee per ticket

    Delta Air Lines

    Free changes (Main Cabin and above)(winner)

  • MileagePlus/SkyMiles Elite Night Bonuses

    United Airlines

    50 elite nights annually (top tier)(winner)

    Delta Air Lines

    10 elite night bonuses (Diamond/Platinum)

  • Seat Pitch in Premium Economy (Comfort+/Plus)

    United Airlines

    34 inches (United Plus)

    Delta Air Lines

    35 inches (Delta Comfort+)(winner)

  • Average Domestic Round-Trip Base Fare (coach)

    United Airlines

    $285 (2024 avg)(winner)

    Delta Air Lines

    $298 (2024 avg)

Full Comparison

United Airlines
Delta Air Lines
Annual Revenue(USD billions)
$54 Billion
Q4 2025 Operating Revenue(USD billions)
$15.4 billion
$16.0 billion
Pre-Tax Profit Margin(percentage)
8.5%
9.5%
Stock Performance Trajectory 2026(performance rating)
Strong performance noted
Strong performance noted
Destinations
340+
Alliance
Star Alliance
Domestic Destinations(count)
250+
International Destinations(destinations)
60+
International Destinations Served(destinations)
340+
325 destinations
Show 3 more attributes
Main Hub Count and Size(major hubs)
3 primary hubs (Chicago, Houston, Newark)
3 primary hubs (Atlanta, Minneapolis, Detroit)
Daily Domestic Flights(flights)
5,200+ flights
5,400+ flights
Destinations Served Globally(cities)
342 destinations
325 destinations
Mainline Fleet Size(aircraft)
982
924
Total Mainline Aircraft(aircraft)
982
924
Total Mainline Fleet(aircraft)
982 aircraft
924 aircraft
Fleet Modernization Progress
A321neo deliveries underway; A321XLRs on order
A321neo integrated into fleet
Mainline Aircraft Fleet Size(aircraft)
982
924
Show 1 more attribute
Aircraft Fleet Diversity Index(types)
Boeing/Airbus mixed (limited A321neo uptake)
Boeing/Airbus optimized (A350 + A321neo focus)
A321neo Aircraft Count(aircraft)
Recently started deliveries
Primary narrowbody focus
A321neo Aircraft(aircraft)
Recent deliveries begun
Second most operated
Boeing 737-800/900ER Aircraft(aircraft)
254 (127 each variant)
Declining operations
Widebody Aircraft Strategy
Aggressive widebody expansion
New A350 orders
Widebody Fleet Flagship Aircraft
Boeing 787 Dreamliner & 777
Airbus A350-1000 (launching 2026)
Fleet Modernization Timeline(years until complete)
Moderate 2026-2032
Aggressive 2026-2030
Long-haul Aircraft Investment
A321XLR on order
A350-1000 expansion underway
Revenue Stream Diversification
Capacity-driven revenue focus
MRO, cargo, loyalty programs
Aircraft on Order (Next-Gen)(aircraft)
A321XLR and A321neo orders
A350 and A321neo orders
A321XLR Aircraft on Order(aircraft)
On order for ultra-long-haul
Status unknown
New Aircraft on Order
A321neo and A321XLR
A350-1000s (active)
Boeing 737 Fleet Count(aircraft)
254 (737-800/900ER combined)
Legacy 737s present
Credit Card Reward Programs(programs)
MileagePlus with Chase partnership
SkyMiles with multiple card options
Frequent Flyer Program Members(millions)
106 million
118 million
International Fleet Focus(strategy)
Domestic high-frequency emphasis
Widebody capacity growth priority
Global Destination Leadership 2026(ranking)
Most destinations of any U.S. carrier
Strong long-haul focus
Domestic Hub Cities(hubs)
4
5
Global Destinations Served(destinations)
340+
360+
Domestic Route Network(U.S. cities served)
280+
285+
New Aircraft on Order/Delivery
A321neo (delivering), A321XLR (on order)
A321neo (newest addition)
New Aircraft Orders
A321neo & A321XLR on order (first new Airbus in 20+ years)
A321neo adoption underway
Newest Narrowbody Aircraft Type
Airbus A321neo & A321XLR on order
Airbus A321neo
New Aircraft Type Introduced
Airbus A321neo (first in 20+ years)
Airbus A321neo
New Aircraft Deliveries (2026)
A321neo and A321XLR on order
Show 4 more attributes
Years Since Last New Aircraft Type(years)
First new Airbus in 20+ years (A321neo)
A321neo already integrated
New Aircraft Deliveries Status
A321neo first new Airbus in 20+ years (recent)
A350 in active service, A321neo fleet established
Next-Generation Narrowbody Integration(status)
Recently began A321neo deliveries (first in 20+ years)
A321neo already operational in fleet
Premium Economy Retrofit Coverage(percent of fleet)
48%
65%
Premium Cabin Performance Rating(reputation score)
Excellent on international routes
Excellent across all routes
Business Class Product Rating(consistency score)
Polaris: Excellent internationally; variable domestically
Delta One: Consistently excellent across routes
Customer Satisfaction Rating(relative ranking)
7.2
DOT Complaints per 100k Passengers(complaints)
2.8
2.1
Crew Complaints per 100k Passengers(complaints)
3.8
2.1
Show 2 more attributes
On-Time Performance Rate(percent)
81.2%
82.5%
Customer Complaint Rate(per 100k passengers)
2.8
2.3
Service Consistency Rating(perception)
Moderate - varies by route and aircraft
High - polished across all routes
Customer Satisfaction Score (J.D. Power 2025)(points)
776
783
Customer Satisfaction (J.D. Power 2024)(score)
75
78
Customer Satisfaction Score(out of 5)
72
76
Customer Satisfaction (J.D. Power 2025)(score out of 1000)
738
759
Show 3 more attributes
Customer Satisfaction Rating(out of 5 stars)
3.4/5
3.8/5
J.D. Power Customer Satisfaction Score (2024)(score (0-1000))
740
758
Complaint Ratio(per 100k passengers)
2.41
1.89
Market Strategy Priority
Aggressive expansion & frequency growth
Network optimization & quality focus
Revenue Diversification
Core airline operations
MRO, cargo, loyalty program expansion
Primary Growth Strategy
High-frequency domestic + widebody expansion
Balanced operational growth
Revenue Diversification Programs
Primarily ticket-driven with long-haul expansion
MRO, cargo, loyalty, premium widebody revenue
Lounge Amenities Parity
United Clubs (comparable features)
Sky Clubs (comparable features)
Economy Self-Service Options
Self-serve snack bar in economy (2026)
Standard beverage/snack service
Delta Sky Club Locations(clubs)
Expanding network
56 clubs
Business Class Seat Screen Size(inches)
16-inch 4K OLED (2026)
Not specified
Widebody Aircraft Investment
Multiple new widebody types
A350-1000 with advanced engines
Widebody Fleet Modernization
A321XLR orders (limited widebody focus)
Airbus A350 active deployment & expansion
Fleet Age Modernization Progress(%)
Slower (just beginning A321neo transition)
Faster (A350 + A321neo established)
Ultra-Long-Range Aircraft Orders(program status)
Airbus A321XLR on order
None announced
Aircraft Fleet Modernization Scope(focus areas)
Long-haul and mid-range (A321XLR)
Long-haul primary focus (A350-1000)
In-Flight Seat Screens(inches)
16-inch screens (type pending)
16-inch 4K OLED
Wireless Charging in Business Class(availability)
Available on Polaris redesign
Not mentioned
Premium Economy Offering
New cabin class launching 2026
Not available
2026 Stock Performance
Outstanding YTD performance
Outstanding YTD performance
Annual Revenue (2024)(Billion USD)
$59.8B
$61.2B
Average Annual Revenue(billion USD)
$58.2B
$63.4B
Wireless Charging in Premium Plus
Yes, available
Yes, available
Privacy Features
New privacy wings in Premium Plus
Updated privacy improvements
Business Class Display Screen Size(inches)
16-inch 4K OLED
Standard display (size not specified)
Most Common Aircraft Type
Boeing 737-800/737-900ER (127 each)
Airbus A321neo and older narrowbodies
Primary Narrowbody Aircraft Count(aircraft)
254 (737-800: 127 + 737-900ER: 127)
A321neo fleet expanding
Most Operated Narrowbody Aircraft
Boeing 737-800 & 900ER (127 each)
Airbus A321neo
Most Common Aircraft Model
Boeing 737-800 (127 units)
Airbus A321neo
Primary Narrowbody Aircraft
Boeing 737-800/900ER (254 total)
Airbus A321neo
Show 2 more attributes
Most Common Narrowbody Aircraft(aircraft count)
Boeing 737-800/900ER (127 each)
Airbus A321neo
Widebody Aircraft (787/777/350)(aircraft)
358
312
Aircraft Efficiency Focus
Narrowbody high-frequency domestic
Widebody long-haul premium
Total Mainline Fleet Size(aircraft)
982 aircraft
924 aircraft
Fleet Size(aircraft)
~900
On-Time Performance(%)
79.1%
Annual Passengers(millions)
180 million
175 million
Show 7 more attributes
Fleet Size(aircraft)
850+
900+
On-Time Performance(%)
79.3%
82.5%
Total Aircraft Fleet(aircraft)
843
902
Daily Flights Operated(flights)
4,800+
5,400+
Mishandled Baggage Rate(per 1,000 passengers)
0.58
0.45
Total Aircraft Fleet Size(aircraft)
850+
900+
Major Hub Airports(hubs)
8 hubs
7 hubs
Premium International Product
Polaris (Lie-flat)
Delta One (Lie-flat)
Business Class Experience Consistency
Varies by aircraft type
Transatlantic Business Class Quality(rating scale)
Established premium offerings
Business Class Lie-Flat Availability(% of fleet)
28%
44%
Lounge Network Quality
United Club (WiFi, snacks, drinks, seating)
Sky Club (WiFi, snacks, drinks, seating)
Fleet Size Difference(aircraft)
+58 aircraft advantage
-58 aircraft disadvantage
Fleet Size Advantage(additional aircraft)
+58
Baseline
WiFi Technology
Starlink satellite WiFi (2026)
Standard ground-based WiFi
Premium Lounge Access
United Club with WiFi and refreshments
Premium Lounge Network
United Club lounges globally
Delta Sky Clubs in major hubs
Free Checked Baggage
First bag $35 (Basic Economy)
Premium Cabin Seat Pitch (Business/Polaris)(inches)
6.5 feet (direct-aisle on 787)
6 feet (direct-aisle on select aircraft)
International Route Expansion 2026(focus area)
Fifth Freedom routes (NY-Milan, etc.)
Enhanced European network
Business Class International Service
Polaris (long-haul focused)
Delta One (all-route)
Fleet Modernization Priority
High (A321XLR on order)
Moderate
Business Class Lie-Flat Seats (Long-Haul)(seats per aircraft)
Up to 28 seats (new aircraft)
Premium Cabin Privacy Feature
Enhanced Polaris pods with varied privacy
Overall Flight Count(relative ranking)
Growing through hub expansion
Loyalty Program Updates(changes introduced)
Standard program maintenance
Onboard Experience Improvements(initiative count)
Standard service levels
Customer Satisfaction (ACSI Score)(points out of 100)
73
76
Customer Satisfaction Score (J.D. Power 2024)(points out of 1000)
73/100
76/100
Annual DOT Complaints Filed(complaints)
8,247
6,531
New Destinations Launched (2026)(number of cities)
5+ new regional destinations
Long-Haul Route Innovation(flight hours)
22-hour one-stop flights
Customer Service Complaint Trend(direction)
Rising complaints in 2026
Flight Delay/Cancellation Rate(operational impact)
Crisis situation in 2026
On-Time Arrival Performance(percent)
80.1%
81.5%
On-Time Performance (2024)(%)
79.8%
82.4%
International Network Reach(countries served)
Extensive global network
Regional Hub Focus(strategy type)
Hub-and-spoke international
Widebody Fleet Strategy(capacity vs frequency)
Aggressive widebody deployment
Total Fleet Size(aircraft)
878 aircraft
912 aircraft
Modern Aircraft (787/737MAX) Percentage(%)
25%
18%
Corporate Social Responsibility(funding raised 2026)
Standard industry programs
Premium Revenue Growth (2025)(year-over-year percentage)
11%
Not disclosed
Q4 2025 Revenue Growth Rate(year-over-year percentage)
4.8%
3.0%
Government Shutdown Financial Impact(USD millions)
$250 million
$200 million
Premium Cabin Redesign Timeline(year)
2026 (Polaris redesign launching)
Not specified
A350-1000 Wing Size vs A321XLR Range(comparative)
Extended-range capability on A321XLR
Larger wing design on A350-1000
Engine Technology - Long-haul Aircraft(model)
Standard A321XLR engines
Rolls-Royce Trent XWB-97 (more powerful)
Average Domestic Ticket Price(USD)
$230
Average Domestic Ticket Price(USD)
$389
$348
Average Domestic One-Way Base Fare(USD)
$318
$324
Average Domestic Round-Trip Ticket Price(USD)
$289
$312
First Checked Baggage Fee (Economy)(USD)
$35
$35
Show 6 more attributes
First Checked Baggage Fee(USD)
$35
$35
Average Domestic Round-Trip Ticket(USD)
$378
$385
First Checked Baggage Fee (Domestic)(USD)
$38
$38
Average Domestic Fare(USD)
$287
$312
Average Domestic Fare Premium(%)
baseline
+4.2%
Average Domestic Round-Trip Base Fare(USD)
$285
$298
Loyalty Program Earning Rate(points/dollar)
1 base
On-Time Arrival Rate (2025)(percent)
79.8%
82.3%
Involuntary Overbooking Rate(per 10,000 passengers)
2.1
1.8
Frequent Flyer Elite Status Threshold(annual miles)
30,000
25,000
Frequent Flyer Base Earning Rate(miles per dollar)
1.0
1.0
Elite Frequent Flyer Entry Threshold(miles/year)
25,000 miles
25,000 miles
Elite Frequent Flyer Free Upgrades(upgrades/year)
2 free upgrades
4 free upgrades
Maximum Elite Bonus Miles(percent)
200%
Show 1 more attribute
Elite Night Bonuses (Annual, Top Tier)(nights)
50 (1K)
10 (Diamond)
Global Destinations(destinations)
350+
325+
First-Class Seat Pitch (Long-Haul)(inches)
18.1
17.2
International Destinations(cities)
340+
320+
Global Route Network(countries served)
352 destinations (6 continents)
325 destinations (6 continents)
Economy Seat Pitch(inches)
31
31
Average Economy Seat Pitch(inches)
31 inches
32 inches
Premium Economy Seat Pitch(inches)
34 inches (Plus)
35 inches (Comfort+)
Premium Economy Legroom Benefit(inches)
United Extra (3 inches extra)
Delta Comfort+ (2-3 inches extra)
On-Time Arrival Rate (2024)(%)
81.2%
83.5%
Annual Frequent Flyer Miles Devaluation(%)
8%
5%
Premium Loyalty Earning Rate(miles per dollar multiplier)
3-12x
5-12x
DOT Complaints Per 100,000 Passengers (2024)(complaints/100k passengers)
2.84
2.18
On-Time Arrival Performance (2024)(%)
80.2%
82.1%
Average Fleet Age(years)
14.1 years
12.8 years
DOT Complaint Rate(per 100,000 passengers)
3.6
2.8
Revenue Passenger Miles (Annual)(billions)
182 billion RPM
198 billion RPM
On-Time Arrival Rate(%)
81.2%
82.5%
Customer Net Promoter Score(NPS points)
38
45
Baggage Fees (First Checked Bag)(USD)
$38
$38
Free Checked Baggage Allowance(bags)
1 (most fares)
Basic Economy Overhead Bin Access
Not included
Included
First Checked Bag Fee (Domestic)(USD)
$35
$35
Baggage Delay Complaints (per 100,000 passengers)(complaints)
2.8
Main Cabin Change Fee (Domestic)(USD)
$100 average
Free

Pros & Cons

10 pros·6 cons across both

United Airlines
Delta Air Lines
United Airlines

United Airlines

+5-3

Pros

  • Lowest base fares on many domestic routes (avg $13 lower than Delta)
  • Elite Night bonuses for frequent flyers (50 annually at top tier)
  • Extensive route network with 9 major hubs globally
  • MileagePlus members earn 2x miles on United flights and partner airlines
  • United Club passes included at top elite tiers (12-24 passes annually)

Cons

  • Basic Economy passengers cannot select seats or bring carry-on bags without fees
  • Domestic change fees of $75-125 on Main Cabin tickets
  • Frequent customer service complaints (ranked 6th out of 8 major carriers in 2024 ASCI)
Delta Air Lines

Delta Air Lines

+5-3

Pros

  • Free seat selection and overhead bin access in Basic Economy
  • Free changes on Main Cabin and premium fares (no $75-125 fees)
  • 35-inch seat pitch in Comfort+ (1 inch more than United Plus)
  • Highest on-time performance among U.S. majors (82.4% in 2024)
  • SkyMiles elites receive 2-4 complimentary economy upgrades annually

Cons

  • Slightly higher base fares than United (avg $13 more per domestic round-trip)
  • Fewer elite night bonuses for top-tier members (10 vs United's 50)
  • Delta Club day passes cost $39 vs United's included passes at elite tiers

Frequently Asked Questions

5 questions

  1. United Airlines typically offers 4-5% lower base fares ($285 vs $298 average for domestic round-trips in 2024). However, Delta's pricing becomes more competitive when factoring in included amenities (seat selection, overhead bin access, free changes) that would cost $75-150 extra on United.

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