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 1757 LANDED 2:30 PM ET, ~9 MIN EARLY · SCHEDULED TIME UNKNOWN
Yesterday

UA 1757 · MCO → IAD

took off 12:50 PM ET · landed 2:30 PM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 9h after departure

Odds over time

Arrive at IAD more than 15 minutes late?
28% chance · ±0 pts +16 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% 15h 12h 6h Departs Lands