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 373 IN THE AIR (OFF 4:17 PM ET, ETA 6:08 PM ET) · SCHEDULED TIME UNKNOWN
Today

WN 373 · MCO → BWI

took off 4:17 PM ET · expected to land 6:08 PM ET (scheduled time unknown)
Forecast issued Tue 3:00 PM ET · 1h before departure

Odds over time

Arrive at BWI more than 15 minutes late?
24% chance · ±1 pts +2 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.1d 12h 6h Now Departs Lands