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 3335 LANDED 7:06 AM ET, ~1 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

WN 3335 · PWM → BWI

took off 5:57 AM ET · landed 7:06 AM ET (scheduled time unknown)
Forecast issued Wed 4:00 PM ET · 10h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
5% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 3% 6% 9% 12% 1.0d 12h 6h Departs Lands