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.

SOUTHWEST · FLIGHT WN 3245 LANDED 4:15 PM ET, ~2 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

WN 3245 · OMA → DCA

took off 1:18 PM CT · landed 4:15 PM ET (scheduled time unknown)
Forecast issued Mon 4:00 PM ET · 2h after departure

Odds over time

Arrive at DCA more than 15 minutes late?
27% 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