17-Hour Nonstop Flights: Delta’s 10 New Ultra-Long Routes In 2026 [Updated]

Delta Air Lines plans more long-haul flights in 2026 than in any other year. Between June and December, OAG data shows an average of 127 daily departures (double for both ways). Activity has increased by 5% year-over-year and by 16% compared to before the pandemic in 2019.