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 300 PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME) · SCHEDULED TIME UNKNOWN
Today

WN 300 · MDW → PWM

took off 7:13 PM CT · probably landed (not confirmed) (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 2h after departure

Odds over time

Arrive at PWM more than 15 minutes late?
50% chance · ±0 pts −3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 1.1d 12h 6h Departs Lands