[BoxFour]

> Or is it a model thing?

Yes, this is very likely about avoiding the max 8.

[mkl]

737 Max in general [1], but especially recently the Max 9 [2].

[1] https://en.m.wikipedia.org/wiki/Boeing_737_MAX_groundings

[2] https://en.wikipedia.org/wiki/Boeing_737_MAX#Alaska_Airlines...