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 2921 LANDED 7:24 PM ET, ~6 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

WN 2921 · MSY → BWI

took off 4:07 PM CT · landed 7:24 PM ET (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 0h before departure

Odds over time

Arrive at BWI more than 15 minutes late?
18% chance · ±0 pts −1 pt · 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% 1.1d 12h 6h Departs Lands