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 1653 IN THE AIR (OFF 10:11 AM ET, ETA 12:11 PM MT) · SCHEDULED TIME UNKNOWN
Today

AA 1653 · BOS → PHX

took off 10:11 AM ET · expected to land 12:11 PM MT (scheduled time unknown)
Forecast issued Sat 11:00 AM ET · 1h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
19% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 9h 6h Departs Lands