Originally Posted by FlyerBeek

AA's Same Day Flight Change webpage states "Passengers traveling on AAdvantage MileSAAver awards continue to have the flexibility to change the date/time of their flights at no charge, provided award seats are available on the desired flight. If award seats are not available on the desired flight, you may obtain a confirmed seat on the same day by paying the $75 charge." (emphasis added)

For those who have successfully completed a confirmed flight change on a MileSAAver economy award ticket, is the flight rebooked into a different inventory or does AA somehow open up additional T inventory if the same day change can be confirmed (i.e. E inventory exists on the desired flight)?

-FlyerBeek