This article was updated on August 6, 2026, to reflect comments to AeroTime by a National Airlines spokesperson. National Airlines has completed what appears to be the longest B777F flight ever to have been operated on behalf of another carrier. The flight covered 9,849 nautical miles (18,240 km), without any intermediate stops, in 19 hours and 23 minutes. This B777F completed the mission at the limit of its range envelope, which, with a full payload, is officially 4,970 nautical miles (9,200 km). National Airlines operates a fleet of nine Boeing 747-400 and four B777-200 freighters.