Originally Posted by
3Cforme
Check ExpertFlyer for X/A inventory more than 24 hours before your flight. (If you're not willing to spend $10/month to ride up front, what are you doing on this Board?) If there are any spots available, then check in online 23 hours, 59 minutes, 59 seconds in advance of your first flight. Then ask to be activated on the upgrade list at the airport. One must do BOTH.
1) See the "Sticky" at the top of the Forum -- ExpertFlyer's access to AA's data at T+24 is not what it used to be...
2) Even if it's F0 at 24 hours, check in early. People in F cancel...and you want the priority.