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 4559 SCHEDULED · TYPICAL SCHEDULE

WN 4559 · BNA → BHM

departs 10:50 PM CT · arrives 11:50 PM CT
Forecast issued Wed 2:00 AM ET · 70h before departure
Arrive at BHM more than 15 minutes late?
38% chance · ±1 pts +9 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 4.1d Now 2d 1d 12h 6h Departs Lands

How late will it get to BHM?

  1. On time or early
    61%
  2. 15–30 min late
    12%
  3. 30 min–1 hour late
    18%
  4. 1–2 hours late
    6%
  5. Over 2 hours late
    2%
  6. Cancelled
    <1%

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