Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 3521 SCHEDULED
Yesterday

WN 3521 · PIT → MDW

departs 7:46 PM ET · arrives 8:21 PM CT
Forecast issued Thu 10:00 PM ET · 2h after departure

Odds over time

Arrive at MDW more than 15 minutes late?
71% chance · ±0 pts +2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 1.0d 12h 6h Departs Lands Now

How late will it get to MDW?

  1. On time or early
    29%
  2. 15–30 min late
    28%
  3. 30 min–1 hour late
    20%
  4. 1–2 hours late
    13%
  5. Over 2 hours late
    8%
  6. Cancelled
    3%

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