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.

AMERICAN · FLIGHT AA 2635 LANDED 1:27 PM PT, ~3 MIN LATE · SCHEDULED TIME UNKNOWN

AA 2635 · DFW → ONT

took off 12:44 PM CT · landed 1:27 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 8h after departure

Odds over time

Arrive at ONT more than 15 minutes late?
27% chance · ±0 pts +1 pt · 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% 20h 12h 6h Departs Lands