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 960 LANDED 6:19 PM ET, ~6 MIN EARLY · SCHEDULED TIME UNKNOWN
Yesterday

WN 960 · BHM → BWI

took off 3:43 PM CT · landed 6:19 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 5h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
30% chance · ±0 pts +7 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% 1.1d 12h 6h Departs Lands