Schedule: FAA flight plans.

SOUTHWEST · FLIGHT WN 3999 SCHEDULED
Today

WN 3999 · SNA → OAK

departs 4:17 PM PT · arrives 5:51 PM PT
Your aircraft is N7843A (B737), coming in as WN 3980 from SMF: in the air, landing about 4:57 PM PT, 46 min after the scheduled departure (a tight turn, so this flight may leave late).
Forecast issued Fri 6:00 PM ET · 1h before departure

Odds over time

Arrive at OAK more than 15 minutes late?
100% chance · ±0 pts +64 pts · 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% 25% 50% 75% 100% 6.8d 2d 1d 12h 6h Departs Lands

How late will it get to OAK?

  1. On time or early
    <1%
  2. 15–30 min late
    78%
  3. 30 min–1 hour late
    0%
  4. 1–2 hours late
    20%
  5. Over 2 hours late
    2%
  6. Cancelled
    <1%

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