Originally Posted by
laxmillenial
Random (in my experience). I think they might try to keep it similar (aisle -> aisle), but i've gone from an aisle to smack in the middle of one of those 8 seats.
Check often. If you happen to get a text of an aircraft swap, check and select ASAP.
Thanks for the info! I've been obsessively checking so I hope to catch it early and not get stuck in the middle of the 8!