Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 4579 SCHEDULED
Today

WN 4579 · SFO → MDW

departs 5:33 AM PT · arrives 11:34 AM CT
Your aircraft is N8950L (B38M), coming in as WN 2199 from MDW: landed 2:16 AM PT.
Forecast issued Mon 4:00 AM ET · 4h before departure

Odds over time

Arrive at MDW more than 15 minutes late?
42% chance · ±0 pts +1 pt · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 6.4d 2d 1d 12h 6h Now Departs Lands

How late will it get to MDW?

  1. On time or early
    93%
  2. 15–30 min late
    4%
  3. 30 min–1 hour late
    1%
  4. 1–2 hours late
    <1%
  5. Over 2 hours late
    <1%
  6. Cancelled
    <1%

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