The average ground delay at DCA has skyrocketed to four hours, as of 2:50 p.m., with ground delays at other major airports averaging more an hour, FAA data shows.

The Federal Aviation Administration announced Wednesday that it will reduce air traffic by 10% across 40 “high-volume” markets beginning Friday morning to maintain safety during the ongoing government...

FAA Administrator Bryan Bedford told reporters the agency wants to reduce the pressure at those airports before safety is compromised.