Originally Posted by
paule123
I'm booked on UA2347 July 23 ORD-CLE and noticed my seat assignment in F was lost, and the entire F cabin is now wide open for seat selection.
Doesn't seem like a schedule change, but maybe an aircraft swap?
yeah, sounds like A/C swap. Wait till tomorrow to re-select your seat, but it will most likely automatically give you the same one back even if it is not showing right now.