Originally Posted by
egl0104
according to AA.com, platinum pro/platinum/and gold are eligible to use 500 mile upgrades on award flights, although it would be processed last after all other upgrades.
Upgrades on award tickets is a Executive Platinum benefit only. See:
https://www.aa.com/i18n/aadvantage-p...e-upgrades.jsp
EXP and CK now eligible for domestic upgrade (UDU) on award ticket