Originally Posted by CMTinPHL

1:40 should be plenty of time with GE and no checked bags. In the unlikely case the MAD flight is delayed before takeoff, I would be proactive (while in MAD or in the air) and try to rebook through DCA / CLT - or, if you are EXP, have AA book you on one of the DCA / CLT routes while protecting you on the original PHL-XXX flight as well.

Edit: looks like you are “cardboard” AAdvantage, so AA probably will not book a backup itinerary while protecting you on the original… but my advice stands. 1:40 should be enough, but if it looks like MAD-PHL is delayed then ask AA to book you on PHL-DCA/CLT-SFA.