{"id":"cmnbi7rf0009vcf7j6fvpvpei","slug":"united-airline-vs-delta","title":"United Airlines vs Delta Air Lines","shortAnswer":"Delta consistently ranks higher in customer satisfaction and operational reliability, with a 2024 DOT complaint rate 23% lower than United, while United offers more frequent international routes and competitive pricing on economy fares.","keyDifferences":[{"label":"2024 DOT Complaints Per 100,000 Passengers","winner":"b","entityAValue":"2.84","entityBValue":"2.18"},{"label":"On-Time Performance (2024)","winner":"b","entityAValue":"80.2%","entityBValue":"82.1%"},{"label":"International Destinations","winner":"a","entityAValue":"142","entityBValue":"129"},{"label":"Fleet Size (Aircraft)","winner":"b","entityAValue":"902","entityBValue":"938"},{"label":"Average Economy Baggage Fee (1st bag)","winner":"tie","entityAValue":"$35","entityBValue":"$35"},{"label":"J.D. 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Common complaint categories favor Delta in baggage handling, flight cancellations, and customer service responsiveness."}],"relatedComparisons":[{"slug":"united-airlines-vs-delta-air-lines-comparison-2025-2026","title":"United Airlines vs Delta Air Lines","category":"travel"},{"slug":"delta-vs-united","title":"Delta Air Lines vs United Airlines","category":"travel"},{"slug":"delta-vs-united-airlines","title":"Delta Air Lines vs United Airlines","category":"travel"},{"slug":"united-airlines-vs-delta-air-lines-comparison-2026","title":"United Airlines vs Delta Air Lines","category":"travel"},{"slug":"delta-vs-united-airlines-comparison-2026","title":"Delta Air Lines vs United Airlines","category":"travel"},{"slug":"united-airlines-vs-delta-airlines-comparison-2026","title":"United Airlines vs Delta Air Lines","category":"companies"},{"slug":"united-vs-delta-2026","title":"United Airlines vs Delta Air Lines 2026","category":"general"},{"slug":"delta-airlines-vs-united","title":"Delta Air Lines vs United Airlines","category":"travel"},{"slug":"delta-vs-united-airlines-comparison-2025-2026","title":"Delta Air Lines vs United Airlines","category":"companies"},{"slug":"delta-vs-united-airlines-which-is-better-2026","title":"Delta Air Lines vs United Airlines","category":"travel"},{"slug":"united-vs-delta-airlines-comparison-2026","title":"United Airlines vs Delta Air Lines","category":"travel"},{"slug":"united-airlines-vs-delta-air-lines","title":"United Airlines vs Delta Air Lines","category":"companies"}],"relatedBlogPosts":[],"metadata":{"metaTitle":"United vs Delta Airlines 2026: Which Airline is Better?","metaDescription":"Compare United Airlines and Delta Air Lines on performance, pricing, and customer satisfaction. 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