Originally Posted by
synergistic
Definitely depends on through passengers, preboards, and family boarding - but I agree that any B 'should' get an aisle or window nearly all the time on the -800/Max. Family boarding used to bite us pre-AList out of Orlando, and I've been on a few connecting flights where there were an unusual number of through passengers, but that wasn't particularly common.
The other big issue is if you are near the end of the line you will have to fight with the seat savers.
The beauty of A plus, you never have to worry about this