Schedule: a typical Sunday (the flights of Jul 26, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

ALASKA · FLIGHT AS 227 SCHEDULED · TYPICAL ODDS

AS 227 · JFK → SFO

departs 9:30 AM ET · arrives 12:52 PM PT
Forecast issued Tue 6:00 PM ET · 112h before departure

Typical odds Too early for a weather forecast — these are typical odds for this flight on a Sunday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.

Odds over time

Arrive at SFO more than 15 minutes late?
14% chance · ±3 pts +0 pts · 24h
HOW SURE WE ARE Low. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 5.5d Now 2d 1d 12h 6h Departs Lands

How late will it get to SFO?

  1. On time or early
    84%
  2. 15–30 min late
    6%
  3. 30 min–1 hour late
    3%
  4. 1–2 hours late
    3%
  5. Over 2 hours late
    2%
  6. Cancelled
    1%

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