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 3885 LANDED 6:25 PM ET, ~3 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 3885 · MIA → BWI

took off 4:20 PM ET · landed 6:25 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
42% 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% 25% 50% 75% 100% 1.1d 12h 6h Departs Lands