As far as I know air traffic control is part of FAA and it's covered by taxpayers (or perhaps, it's an extra charge in the ticket?). In any case, ground control

As far as I know air traffic control is part of FAA and it's covered by taxpayers (or perhaps, it's an extra charge in the ticket?). In any case, ground control will probably be a lot less expensive since it's just one team in one location, while air traffic control covers the entire country.