Alaska Airlines has retired the first-ever Boeing 737-900 ... the manufacturerâ s customers added 505 737-900ER aircraft to their fleets. In comparison, Boeing had delivered 37 737-600 ...

(I later discovered this to be the standard at Alaska Airlines) One minute later, I was on my way down the jetbridge to the Boeing 737-900ER that ... surprise, the aircraft was equipped with ...

Boeing's 737 Max series of aircraft have faced multiple ... to that of the Boeing 737 Max 9. Alaska, Delta Air Lines and United Airlines all operate the 737-900ER, which is not a part of the ...