Originally Posted by
dtremit
I strongly suspect that if they were offloaded under T-15, AA would have said that directly in their email. That they didn't, and fell back on "not at the gate," makes me suspect they were actually offloaded somewhere between T-30 and T-15.
If OP really tried to board at 10:40 am for an 11:00 am flight, there's no "suspect" about it.