The 737 Next Generation's workhorse variant. Still the most-flown single aisle jet worldwide even as MAX deliveries ramp up.
Boeing
Boeing 737-800
ICAO:
B738 IATA: B737-800 
First flight1998
Typical seats162-189
Range5,765 km
Engines2× CFM56-7B
Current operators
Airlines with active B737-800 aircraft in their fleet, ranked by count.
FR
Ryanair Ltd.
293 aircraft
AA
American Airlines
256 aircraft
UA
United Airlines
130 aircraft
CZ
China Southern Airlines
106 aircraft
WN
Southwest Airlines Co.
97 aircraft
CA
Air China Limited
86 aircraft
HU
Hainan Airlines
82 aircraft
MF
Xiamen Airlines
77 aircraft
DL
Delta Air Lines
72 aircraft
DY
Norwegian Air Shuttle
69 aircraft
VA
Virgin Australia
69 aircraft
GA
Garuda
64 aircraft
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