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.

UNITED · FLIGHT UA 2737 LANDED 5:14 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

UA 2737 · ORD → BWI

took off 2:47 PM CT · landed 5:14 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?
37% chance · ±0 pts +7 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% 19h 12h 6h Departs Lands