interstate air transportation
(25) “interstate air transportation” means the transportation of passengers or property by aircraft as a common carrier for compensation, or the transportation of mail by aircraft— (A) between a place in— (i) a State, territory, or possession of the United States and a place in the District of Columbia or another State, territory, or possession of the United States; (ii) Hawaii and another place in Hawaii through the airspace over a place outside Hawaii; (iii) the District of Columbia and another place in the District of Columbia; or (iv) a territory or possession of the United States and another place in the same territory or possession; and (B) when any part of the transportation is by aircraft.