Originally Posted by
midnightinharlem
Thanks Tom. What confuses me is the top of "complimentary upgrades". Is this separate from the 500-mile upgrades?
Yes, technically it is separate, and it depends on the fare class. If you purchase a full-fare Y-class ticket, you can request an upgrade without the use of 500-mile stickers. I've only ever once traveled on a Y-class ticket, and my company paid for it. There was no first class availability.