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 2557 LANDED 5:38 PM CT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN

WN 2557 · MCO → BNA

took off 5:07 PM ET · landed 5:38 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 5h after departure

Odds over time

Arrive at BNA more than 15 minutes late?
24% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 13h 6h Departs Lands