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 3563 LANDED 6:27 PM ET, ~4 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 3563 · SDF → BWI

took off 5:12 PM ET · landed 6:27 PM ET (scheduled time unknown)
Forecast issued Tue 8:00 PM ET · 3h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
19% chance · ±0 pts +3 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