Fleet Updated Dec. 31, 2023 Alaska Air Group maintains an operational fleet of: 231 Boeing 737 aircraft, with an average age of 9.7 years; 83 Embraer 175 aircraft with an average age of 5 years. ModelSeats (first class/premium/main cabin)# in fleetBoeing 737-9 MAX178 (16/24/138)65Boeing 737-900ER 178 (16/24/138)79Boeing 737-900178 (16/24/138)12Boeing 737-8 MAX159 (12/30/117)1Boeing 737-800159 (12/30/117)59737-800FN/A (freighter)1Boeing 737-700124 (12/18/112)11Boeing 737-700FN/A (freighter)3Embraer E175(Operated by Horizon Air)76 (12/12/52)41Embraer E175(Operated by SkyWest Airlines)76 (12/12/52)42Fleet largest to smallest, by manufacturer.