UPS Airlines has a fleet size of 281 aircraft making it the 14th largest airline by fleet size in the world. The United Parcel Service fleet consists of the following aircraft as of December 2006:
UPS Fleet Aircraft In service On order Airbus A300-600R 53 Boeing 747-100F 5 Boeing 747-200F 4 Boeing 747-400 2 6 Boeing 757-200PF 75 Boeing 767-300ERF 32 27 Douglas DC-8-71CF 8 Douglas DC-8-71F 9 Douglas DC-8-73CF 17 Douglas DC-8-73F 6 McDonnell Douglas MD-11 9 McDonnell Douglas MD-11F 22
FedEx Express operates the world's largest civilian air fleet with 669 aircraft:[4]
FedEx Fleet Aircraft Total Airbus A300-600 63
Airbus A310-200 66 ATR 72-200 13 ATR 42-300/320 29 Boeing 727-200 92 Boeing 757-200 4 (86 Used Orders) Boeing 777 Freighter (15 Orders) McDonnell Douglas DC-10-10 58 McDonnell Douglas DC-10-30 13 McDonnell Douglas MD-10-30 7 McDonnell Douglas MD-11 58 Cessna Caravan 208B 243 Cessna Caravan 208A 10 Fokker F-27 8
Aircraft suspected of operating but not confirmed on their website. Aircraft Total Bombardier Challenger 601 3 Bombardier Global Express 1 Bombardier Learjet 45 7