Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

ENVOY · FLIGHT MQ 4053 LANDED 5:02 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

MQ 4053 · RDU → DCA

took off 4:23 PM ET · landed 5:02 PM ET (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 3h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
33% chance · ±0 pts −2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 19h 12h 6h Departs Lands