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 2177 IN THE AIR (OFF 8:57 AM CT, ETA 12:21 PM ET) · SCHEDULED TIME UNKNOWN
Today

WN 2177 · MDW → FLL

took off 8:57 AM CT · expected to land 12:21 PM ET (scheduled time unknown)
Forecast issued Mon 9:00 AM ET · 1h before departure

Odds over time

Arrive at FLL more than 15 minutes late?
41% chance · ±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% 15% 30% 45% 60% 1.4d 1d 12h 6h Now Departs Lands