Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4664 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

WN 4664 · MSY → MDW

departs 11:45 AM CT · arrives 2:00 PM CT
Forecast issued Wed 1:00 PM ET · 24h before departure

Odds over time

Arrive at MDW more than 15 minutes late?
32% chance · ±2 pts +9 pts · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.8d 2d Now 12h 6h Departs Lands

How late will it get to MDW?

  1. On time or early
    66%
  2. 15–30 min late
    17%
  3. 30 min–1 hour late
    7%
  4. 1–2 hours late
    5%
  5. Over 2 hours late
    2%
  6. Cancelled
    2%

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