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 3664 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

WN 3664 · DAL → LGA

departs 8:30 AM CT · arrives 12:50 PM ET
Forecast issued Wed 1:00 PM ET · 20h before departure

Odds over time

Arrive at LGA more than 15 minutes late?
37% chance · ±0 pts +4 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 1d Now 12h 6h Departs Lands

How late will it get to LGA?

  1. On time or early
    57%
  2. 15–30 min late
    18%
  3. 30 min–1 hour late
    7%
  4. 1–2 hours late
    5%
  5. Over 2 hours late
    2%
  6. Cancelled
    10%

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