Flight CO484
Sun., May. 2, 2010 at 12:50 p.m.
Equipment - Boeing 737-800
Fort Lauderdale, FL (FLL) to Cleveland, OH (CLE)
No mileage upgrades available for the above flight. I know revenue management works in mysterious ways, but this is a Sunday afternoon flight to CLE. And, mind you, there are 16 FC seats! Does revenue management figure it should hold back mileage upgrades because a lot of business types (or whoever) are likely to
buy FC seats to CLE from FLL on a Sunday afternoon?

Wouldn't those be your cohorts getting off their cruise and heading back up to the middle of the country? I'm guessing a number of those folks buy the F seats. You can always waitlist and get in line for the upgrade when the seats do open up.