{"slug":"united-airlines-vs-delta-air-lines","title":"United Airlines vs Delta Air Lines","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines","faqCount":5,"faqs":[{"question":"Which airline is more reliable—United or Delta?","answer":"Delta is more reliable with an 81.5% on-time arrival rate versus United's 77.2% (2024 data). Delta also has a newer fleet averaging 12.8 years old compared to United's 14.1 years, and receives 42% fewer DOT complaints (1.67 vs 2.14 per 100,000 passengers). For time-sensitive travel, Delta's track record is superior."},{"question":"Is United or Delta cheaper?","answer":"United offers lower baggage fees ($35 vs $38 for first checked bag) and typically competitive pricing on basic economy and premium cabin fares. However, Delta sometimes offers better premium cabin fares due to fleet modernization reducing maintenance costs. Overall pricing is comparable, but United edges out on baggage and budget routes while Delta matches or beats on premium routes."},{"question":"Which airline has better customer service ratings?","answer":"Delta ranks significantly higher with a 4.2/5 customer satisfaction rating versus United's 3.8/5 according to 2024 J.D. Power studies. Delta's higher rating correlates with better on-time performance, newer aircraft, and fewer service complaints. United has made service improvements but lags Delta across most customer satisfaction metrics."},{"question":"Which airline flies to more international destinations?","answer":"United serves 342 international destinations compared to Delta's 325—giving United a 17-destination advantage. This makes United stronger for connecting to less-served markets, particularly in Europe and Asia. Delta maintains a quality-over-quantity approach with stronger service to major hubs."},{"question":"Which airline's frequent flyer program is better?","answer":"Both MileagePlus (United) and SkyMiles (Delta) offer 1 mile per dollar base earning rates. Delta's program stands out with elite status benefits including 5% fuel surcharge waivers and systemwide upgrades. United's program offers competitive award availability (12-15% better on premium routes) but requires more strategic planning. Choice depends on whether you prefer elite perks (Delta) or award redemption flexibility (United)."}],"faqPageSchema":{"@context":"https://schema.org","@type":"FAQPage","@id":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines#faq","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines","inLanguage":"en-US","name":"United Airlines vs Delta Air Lines — FAQ","description":"Frequently asked questions about United Airlines vs Delta Air Lines","dateModified":"2026-06-24T06:04:08.643Z","author":{"@type":"Organization","@id":"https://www.aversusb.net/#organization","name":"A Versus B"},"publisher":{"@type":"Organization","@id":"https://www.aversusb.net/#organization","name":"A Versus B"},"isPartOf":{"@type":"Article","@id":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines#article"},"license":"https://creativecommons.org/licenses/by/4.0/","speakable":{"@type":"SpeakableSpecification","cssSelector":["#faq",".faq-item"]},"mainEntity":[{"@type":"Question","name":"Which airline is more reliable—United or Delta?","acceptedAnswer":{"@type":"Answer","text":"Delta is more reliable with an 81.5% on-time arrival rate versus United's 77.2% (2024 data). Delta also has a newer fleet averaging 12.8 years old compared to United's 14.1 years, and receives 42% fewer DOT complaints (1.67 vs 2.14 per 100,000 passengers). For time-sensitive travel, Delta's track record is superior.","inLanguage":"en-US","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines"}},{"@type":"Question","name":"Is United or Delta cheaper?","acceptedAnswer":{"@type":"Answer","text":"United offers lower baggage fees ($35 vs $38 for first checked bag) and typically competitive pricing on basic economy and premium cabin fares. However, Delta sometimes offers better premium cabin fares due to fleet modernization reducing maintenance costs. Overall pricing is comparable, but United edges out on baggage and budget routes while Delta matches or beats on premium routes.","inLanguage":"en-US","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines"}},{"@type":"Question","name":"Which airline has better customer service ratings?","acceptedAnswer":{"@type":"Answer","text":"Delta ranks significantly higher with a 4.2/5 customer satisfaction rating versus United's 3.8/5 according to 2024 J.D. Power studies. Delta's higher rating correlates with better on-time performance, newer aircraft, and fewer service complaints. United has made service improvements but lags Delta across most customer satisfaction metrics.","inLanguage":"en-US","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines"}},{"@type":"Question","name":"Which airline flies to more international destinations?","acceptedAnswer":{"@type":"Answer","text":"United serves 342 international destinations compared to Delta's 325—giving United a 17-destination advantage. This makes United stronger for connecting to less-served markets, particularly in Europe and Asia. Delta maintains a quality-over-quantity approach with stronger service to major hubs.","inLanguage":"en-US","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines"}},{"@type":"Question","name":"Which airline's frequent flyer program is better?","acceptedAnswer":{"@type":"Answer","text":"Both MileagePlus (United) and SkyMiles (Delta) offer 1 mile per dollar base earning rates. Delta's program stands out with elite status benefits including 5% fuel surcharge waivers and systemwide upgrades. United's program offers competitive award availability (12-15% better on premium routes) but requires more strategic planning. Choice depends on whether you prefer elite perks (Delta) or award redemption flexibility (United).","inLanguage":"en-US","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines"}}]}}