Originally Posted by CarmenOM

There are inconsistencies in the timing of this. If the OP arrived at MCO at 1400, dealt with the cancelled flight, contacted Delta to rebook, returned to parking garage for car, made the six-hour drive to ATL, and parked the car again, there is no way to arrive at ATL "several hours" before the last flight ATL-DCA, which departs at 10:05PM