Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 3964 SCHEDULED
Tomorrow

WN 3964 · SLC → SAN

departs 3:44 PM MT · arrives 4:41 PM PT
Forecast issued Tue 11:00 PM ET · 19h before departure

Odds over time

Arrive at SAN more than 15 minutes late?
26% chance · ±6 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% 1.0d Now 12h 6h Departs Lands

How late will it get to SAN?

  1. On time or early
    74%
  2. 15–30 min late
    14%
  3. 30 min–1 hour late
    7%
  4. 1–2 hours late
    4%
  5. Over 2 hours late
    1%
  6. Cancelled
    <1%

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