{"slug":"united-airlines-vs-delta-air-lines)","question":"United Airlines vs Delta Air Lines","answer":"Delta consistently ranks higher in on-time performance (83.5% vs 81.2%) and customer satisfaction, while United offers competitive pricing and a larger network with more international routes. Delta's operational efficiency comes at a premium price point, whereas United provides better value for budget-conscious travelers.","answer_curated":true,"verdict":"Choose Delta if you prioritize reliability, comfort, and superior customer service—you'll pay 11% more but experience fewer cancellations and better overall satisfaction ratings. Choose United if you value competitive pricing, extensive international connectivity, and network breadth, making it ideal for budget travelers and those needing global route flexibility.","keyDifferences":[{"label":"On-Time Performance (2024)","winner":"b","entityAValue":"81.2%","entityBValue":"83.5%"},{"label":"Fleet Size","winner":"b","entityAValue":"870 aircraft","entityBValue":"900 aircraft"},{"label":"Average Domestic Ticket Price","winner":"a","entityAValue":"$312","entityBValue":"$348"},{"label":"International Destinations","winner":"a","entityAValue":"137 cities","entityBValue":"120 cities"},{"label":"Customer Satisfaction Score (J.D. Power 2024)","winner":"b","entityAValue":"73/100","entityBValue":"76/100"}],"winner":{"slug":"delta-air-lines","name":"Delta Air Lines"},"confidence":"high","entities":[{"name":"United Airlines","slug":"united-airlines","url":"https://www.aversusb.net/entity/united-airlines","alternativesUrl":"https://www.aversusb.net/api/v1/alternatives/united-airlines"},{"name":"Delta Air Lines","slug":"delta-air-lines","url":"https://www.aversusb.net/entity/delta-air-lines","alternativesUrl":"https://www.aversusb.net/api/v1/alternatives/delta-air-lines"}],"faqs":[{"question":"Which airline is cheaper overall?","answer":"United Airlines is 11.5% cheaper, with average domestic tickets at $312 compared to Delta's $348. However, Delta's higher prices reflect better on-time performance (83.5% vs 81.2%) and superior customer satisfaction ratings, which some travelers view as justified value."},{"question":"Which airline has better reliability?","answer":"Delta leads with 83.5% on-time performance versus United's 81.2%. Delta also has a complaint ratio of 1.89 per 100,000 passengers compared to United's 2.41—meaning you're 27% less likely to file a complaint with Delta based on 2024 DOT data."},{"question":"Which airline flies to more countries?","answer":"United Airlines serves 137 international destinations globally, compared to Delta's 120. This makes United ideal for travelers needing diverse routing options and connectivity to emerging markets, particularly in Asia and South America."}],"attribution":{"source":"A Versus B","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines)","license":"CC BY 4.0","citationFormat":"According to A Versus B (https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines)), Delta consistently ranks higher in on-time performance (83.5% vs 81.2%) and customer satisfaction, while United offers competitive pricing and a larger network with more international routes. Delta's ","dateModified":"2026-07-07T06:54:18.520Z"},"relatedQuestionsUrl":"https://www.aversusb.net/api/faq/united-airlines-vs-delta-air-lines)","relatedComparisonsUrl":"https://www.aversusb.net/api/v1/related/united-airlines-vs-delta-air-lines)","knowledgeGraphUrl":"https://www.aversusb.net/api/knowledge-graph/united-airlines-vs-delta-air-lines)","claimReviewSchema":{"@context":"https://schema.org","@type":"ClaimReview","@id":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines)#claimreview","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines)","inLanguage":"en-US","isAccessibleForFree":true,"conditionsOfAccess":"Free","claimReviewed":"United Airlines vs Delta Air Lines","reviewBody":"Delta consistently ranks higher in on-time performance (83.5% vs 81.2%) and customer satisfaction, while United offers competitive pricing and a larger network with more international routes. Delta's operational efficiency comes at a premium price point, whereas United provides better value for budget-conscious travelers.","datePublished":"2026-07-07T06:54:18.486Z","dateModified":"2026-07-07T06:54:18.520Z","reviewRating":{"@type":"Rating","ratingValue":5,"worstRating":1,"bestRating":5,"alternateName":"High Confidence"},"author":{"@type":"Organization","@id":"https://www.aversusb.net/#organization","name":"A Versus B","url":"https://www.aversusb.net"},"itemReviewed":{"@type":"WebPage","@id":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines)","url":"https://www.aversusb.net/compare/united-airlines-vs-delta-air-lines)","name":"United Airlines vs Delta Air Lines","inLanguage":"en-US"}}}