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 2390 LANDED 9:41 AM ET, ~4 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 2390 · SJU → BWI

took off · landed 9:41 AM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 16h after departure

Odds over time

Arrive at BWI more than 15 minutes late?
13% chance · ±0 pts −4 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 4h Departs Lands