Originally Posted by SocietyFlyGirl

My guess is that you have a greater chance of seeing a snowflake in MIA than getting an offer to purchase an F upgrade tomorrow on your 3 pm flight. Sunday afternoon flight, DFW hub of AA (lots of EXPs and PLATs), non-full fare purchase, AA doing right by its elites by upgrading rather than undercutting elites by pushing upgrades to non-elites.

IMHO, if you want to upgrade out of DFW during peak times on AA and you're not elite, then 1) purchase F OR 2) use miles+co-pay to upgrade.