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 4775 IN THE AIR (OFF 1:44 PM MT, ETA 7:31 PM ET) · SCHEDULED TIME UNKNOWN
Today

WN 4775 · PHX → IND

took off 1:44 PM MT · expected to land 7:31 PM ET (scheduled time unknown)
Forecast issued Tue 3:00 PM ET · 2h before departure

Odds over time

Arrive at IND more than 15 minutes late?
42% chance · ±0 pts −3 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.1d 12h 6h Now Departs Lands