Originally Posted by SEA_Tigger
Shouldn't be a problem. The TSA don't know (nor would they care) what airline operates out of what terminal. If the terminals are connected airside, so much the better, otherwise you'd have to clear security at both terminals.
Actually, that's one of the few times that the TSA might be accused of not operating on flatline. They often tell pax that Terminal X is not their terminal and that they need a BP for a Terminal X flight.
At TPA, the different terminals are not connected airside. Totally stupid.