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.

ENDEAVOR · FLIGHT 9E 5240 LANDED 8:54 AM ET, ~9 MIN LATE · SCHEDULED TIME UNKNOWN

9E 5240 · DTW → ROC

took off 8:06 AM ET · landed 8:54 AM ET (scheduled time unknown)
Forecast issued Wed 6:00 PM ET · 10h after departure

Odds over time

Arrive at ROC more than 15 minutes late?
11% chance · ±0 pts +5 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands