Originally Posted by
BillyBleach
You'll get nowhere with this IMO.
You had already planned to be at the airport in time for a 0645 flight, now the flight is later the airline will just argue you have a little more time to kill.
You have a minor inconvenience, of waiting a little longer for your flight, at best.
At the expense of time at DFW. This is the only tact that could possible have any success - you needed to be a DFW for that time as you had something arranged.