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 2150 LANDED 9:54 PM CT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN

UA 2150 · SFO → AUS

took off 4:44 PM PT · landed 9:54 PM CT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 2h after departure

Odds over time

Arrive at AUS more than 15 minutes late?
36% chance · ±1 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% 1h Departs Lands