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 1455 LANDED 4:35 PM CT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

UA 1455 · NAS → IAH

took off 3:01 PM EDT · landed 4:35 PM CT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 7h after departure

Odds over time

Arrive at IAH more than 15 minutes late?
22% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 8h 6h Departs Lands