{"slug":"delta-vs-united","question":"Delta Air Lines vs United Airlines","answer":"United Airlines is expanding to serve more global destinations in 2026, while Delta is modernizing its long-haul fleet with new aircraft like the Airbus A350-1000. Both carriers offer premium cabin upgrades, but United's Polaris business class redesign and A321XLR introduction represent more aggressive near-term improvements.","verdict":"Choose Delta if you prioritize modern long-haul aircraft with advanced engines and transcontinental comfort on premium routes. Choose United if you value expanding global destination access, innovative business class technology with wireless charging, and increased frequency on new routes in 2026.","keyDifferences":[{"label":"Global Route Expansion 2026","winner":"b","entityAValue":"Focused modernization strategy","entityBValue":"Most destinations of any U.S. carrier"},{"label":"New Long-Haul Aircraft","winner":"a","entityAValue":"Airbus A350-1000 with Rolls-Royce Trent XWB-97 engines","entityBValue":"Airbus A321XLR introduction"},{"label":"Business Class Seat Screen Size","winner":"b","entityAValue":"Standard premium displays","entityBValue":"16-inch 4K OLED with Bluetooth"},{"label":"Polaris Business Class","winner":"b","entityAValue":"Current configuration","entityBValue":"Redesigned for 2026"},{"label":"Stock Performance 2026","winner":"tie","entityAValue":"Strong performance noted","entityBValue":"Strong performance noted"}],"winner":{"slug":"delta-air-lines","name":"Delta Air Lines"},"confidence":"high","attribution":{"source":"A Versus B","url":"https://www.aversusb.net/compare/delta-vs-united","license":"CC BY 4.0","citationFormat":"According to A Versus B (https://www.aversusb.net/compare/delta-vs-united), United Airlines is expanding to serve more global destinations in 2026, while Delta is modernizing its long-haul fleet with new aircraft like the Airbus A350-1000. Both carriers offer premium cabin up","dateModified":"2026-04-03T05:45:00.104Z"},"relatedQuestionsUrl":"https://www.aversusb.net/api/faq/delta-vs-united","relatedComparisonsUrl":"https://www.aversusb.net/api/v1/related/delta-vs-united","knowledgeGraphUrl":"https://www.aversusb.net/api/knowledge-graph/delta-vs-united","claimReviewSchema":{"@context":"https://schema.org","@type":"ClaimReview","url":"https://www.aversusb.net/compare/delta-vs-united","claimReviewed":"Delta Air Lines vs United Airlines","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":"CreativeWork","url":"https://www.aversusb.net/compare/delta-vs-united","name":"Delta Air Lines vs United Airlines"}}}