Eurocontrol defines short-haul routes as shorter than 1,500 km (810 nmi), medium-haul between 1,500 and 4,000 km (810 and 2,160 nmi) and long-haul routes as longer than 4,000 km (2,200 nmi).
Association of European Airlines defines Long-haul as flights to Americas, sub-Saharan Africa, Asia, Australasia and medium haul as flights to north Africa and Middle East.
Air Berlin defines Short and medium-haul as flights to Europe/northern Africa and Long-haul to the rest of the world.
Air France defines short haul as domestic, medium haul as within Europe/North Africa and long haul as the rest of the world.
Virgin Australia defines domestic flights as within Australia, Short Haul to South East Asia/Pacific and Long Haul to Abu Dhabi or Los Angeles.
Hong Kong Airport considers destinations in North and South Americas, Europe, the Middle East, Africa, Southwest Pacific and the Indian Subcontinent Long Haul and others are Short Haul.
Japan Air Lines defines routes to Europe and North America as Long haul and the other as short haul.
American Airlines define medium/short-haul flights as less than 3,000 mi (2,600 nmi; 4,800 km) and long haul as more than that and New York to Los Angeles or San Francisco:
 2,475–2,586 mi (2,151–2,247 nmi; 3,983–4,162 km);
 the same distinction for
United Airlines between long and short haul.
Lufthansa defines its fleet as long-haul for
wide-body aircraft such as the
Boeing 747, medium-haul for
narrow-body aircraft like the
B737 families, and short-haul for
regional jets like the
Embraer E-Jets or the
Thomson Airways defines the
Boeing 737 as a short and mid-haul airliner while the
Boeing 767 and
B787 as long haul.
Delta defines its
MD-90 as short-haul domestic aircraft,
Airbus A319 and
A321 as long-haul domestic and
Airbus A330 and transoceanic Boeing 757 as long-haul.
Shortest commercial flight
Loganair Westray to Papa Westray route is the shortest commercial flight in the world over 2.8 km (1.7 mi) in two minutes scheduled flight time including taxiing.
Longest commercial flight
The longest commercial flight is the
Qatar Airways flight between Auckland and Doha, covering 14,535 km (7,848 nmi) with a
 The longest ever was
Singapore Airlines Flight 21 from Newark to Singapore, covering 15,343 km (8,285 nmi) in 18.5 hours using an Airbus A340-500.