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.

ENDEAVOR · FLIGHT 9E 5229 LANDED 8:09 AM ET, ~2 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

9E 5229 · CVG → DCA

took off 7:09 AM ET · landed 8:09 AM ET (scheduled time unknown)
Forecast issued Wed 6:00 PM ET · 11h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
16% chance · ±0 pts +5 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands