Transpacific corridors dominate this list, although the very longest routes serve destinations in Africa.
Delta Air Lines has 178 widebody aircraft. According to ch-aviation, it has 40 Airbus A350-900s, 39 A330-900s, 36 Boeing 767-300ERs, 31 A330-300s, 21 767-400ERs, and 11 A330-200s. Twin-aisle equipment ...