Why American Airlines' Longest-Ever Flight Needs Just 51 Business Class Suites To Pencil Out

United Airlines has operated its longest flight, UA 101 from Houston to Sydney, since 2018 with the Boeing 787-9. Delta Air Lines' longest flight, DL 201 from Johannesburg to Atlanta, has been flown nonstop since the late 2000s, now using the Airbus A350-900. American Airlines, on the other hand, launched its current longest flight, AA7 from Dallas/Fort Worth to Brisbane, in 2024 with the Boeing 787-9.