excessive tarmac delay
Defined in 1 dictionary — U.S. Code
United States Code
49 U.S.C. § 42301 — in this section (3 versions over time)
The term “excessive tarmac delay” means a tarmac delay of more than—
(A) 3 hours for a flight in interstate air transportation; or
(B) 4 hours for a flight in foreign air transportation.