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 635 LANDED 7:53 AM MT, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 635 · BNA → PHX

took off 6:30 AM CT · landed 7:53 AM MT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 14h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
7% chance · ±0 pts −2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 3% 6% 9% 12% 1.1d 12h 6h Departs Lands