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 1902 IN THE AIR (OFF 4:22 PM CT, ETA 8:19 PM ET) · SCHEDULED TIME UNKNOWN
Today

WN 1902 · HOU → BWI

took off 4:22 PM CT · expected to land 8:19 PM ET (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 0h before departure

Odds over time

Arrive at BWI more than 15 minutes late?
25% 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% 15% 30% 45% 60% 1.1d 12h 6h Now Departs Lands