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.

MESA · FLIGHT YV 4031 LANDED 1:52 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

YV 4031 · IAH → DCA

took off 10:01 AM CT · landed 1:52 PM ET (scheduled time unknown)
Forecast issued Tue 9:00 PM ET · 10h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
18% chance · ±0 pts +1 pt · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 12h 6h Departs Lands