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 4707 LANDED 7:07 AM ET, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Today

YX 4707 · DTW → DCA

took off 6:03 AM ET · landed 7:07 AM ET (scheduled time unknown)
Forecast issued Sun 4:00 PM ET · 10h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
20% chance · ±0 pts +9 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% 1.0d 12h 6h Departs Lands