Tracked live by the FAA. The scheduled times shown are from a typical Monday because the FAA's flight plan was first seen after takeoff.

SOUTHWEST · FLIGHT WN 509 LANDED 12:39 AM CT, ~63 MIN EARLY
Yesterday

WN 509 · MCO → STL

took off 11:40 PM ET · landed 12:39 AM CT (scheduled 12:07 AM ET → 1:47 AM CT)
Forecast issued Mon 11:00 PM ET · 23h after departure

Odds over time

Arrive at STL more than 15 minutes late?
Not late chance · ±0 pts −2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 6.0d 2d 1d 12h 6h Departs Now Lands

How late did it get to STL?

RESOLVED
  1. On time or early
    ✓
  2. 15–30 min late
    –
  3. 30 min–1 hour late
    –
  4. 1–2 hours late
    –
  5. Over 2 hours late
    –

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.