On Wednesday, July 24, 2019 at 10:52:06 PM UTC-4, Charles Longley wrote:
You need to read up on the laws a little bit. You don’t need to clear customs if you don’t land.

True, but don't forget the overflight fees:

Fees in U.S.-Controlled Airspace:

The FAA charges overflight fees to operators of aircraft that fly in U.S.-controlled airspace, but neither take off nor land in the United States.

https://www.faa.gov/air_traffic/inte...erflight_fees/