Original Member
Join Date: May 1998
Location: Highland PArk,IL,USA -- AA Lifetime Platinum, IHG Plat, UA Silver, Hilton Gold, Radisson Gold, Marriott Lifetime Titanium
Posts: 2,366
I think that AA has changed the rule to 12 hours. I was just at PDX and wanted do some changes the night before. The agent looked at her watch at told me that if I waited for a few minutes I would be in the 12 hour window to check in.