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.

SOUTHWEST · FLIGHT WN 1677 LANDED 9:07 PM MT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN

WN 1677 · ELP → PHX

took off 9:13 PM MT · landed 9:07 PM MT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h before departure

Odds over time

Arrive at PHX more than 15 minutes late?
46% chance · ±1 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
LIVE IN THE AIR 0% 25% 50% 75% 100% 2h Now Departs Lands