Originally Posted by
will2288
Check-in online as soon as you can and ask at the gate. But if you are not willing to pay, don't be at all surprised if they end up in two middle seats.
I'll disagree with this advice. I'd keep checking for better seats online, once or twice a day, and hourly once you're within a day or so... but once you check in online, you can't change seats anymore until you get to the airport. I don't see any benefit to early check-in here.