Originally Posted by
freeagent
No hard bulkhead, so you can put your carryon under 3A. Worth noting that some CRJ 900s have a 4C so you might have a seat next to you, the seat map usually updates a couple days before departure.
And some have 12F instead of 9F so then row 4 is in first and unless you get an upgrade you’ll get reassigned to another coach seat.