tailodds FORECAST

Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4642 SCHEDULED · TYPICAL SCHEDULE

WN 4642 · HOU → STL

departs 1:20 PM CT · arrives 3:20 PM CT
Forecast issued Wed 9:00 AM ET · 53h before departure
Arrive at STL more than 15 minutes late?
25% chance · ±1 pts – · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 3.7d Now 2d 1d 12h 6h Departs Lands

How late will it get to STL?

  1. On time or early
    75%
  2. 15–30 min late
    7%
  3. 30 min–1 hour late
    8%
  4. 1–2 hours late
    7%
  5. Over 2 hours late
    2%
  6. Cancelled
    1%

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