When AmericanAirlines blames TSA and vice versa, nobody wins.

Just follow the bouncing passenger... DFW AmericanAirlines

No. 10 on standby for a very full flight to Tampa. Not overly-optimistic right now. AmericanAirlines MusicalPlanes

And now for a 4 hr wait for a chance at standby. DFW + AmericanAirlines + TSA = Perfect Storm for Failure. Major capacity issues here.