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.

DELTA · FLIGHT DL 1718 LANDED 5:25 PM CT, ~27 MIN LATE · SCHEDULED TIME UNKNOWN

DL 1718 · DTW → IAH

took off 4:10 PM ET · landed 5:25 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at IAH more than 15 minutes late?
30% chance · ±0 pts +6 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% 1.0d 12h 6h Departs Lands