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.

REPUBLIC · FLIGHT YX 4435 LANDED 5:23 PM ET, ~4 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

YX 4435 · DSM → DCA

took off 2:17 PM CT · landed 5:23 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
23% chance · ±0 pts +4 pts · 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% 19h 12h 6h Departs Lands