Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

ALASKA · FLIGHT AS 1521 SCHEDULED · TYPICAL ODDS

AS 1521 · PDX → FAI

departs 9:59 PM PT · arrives 12:55 AM AKT
Forecast issued Mon 10:00 PM ET · 99h before departure

Typical odds Too early for a weather forecast — these are typical odds for this flight on a Friday 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 FAI more than 15 minutes late?
15% chance · ±3 pts – · 24h
HOW SURE WE ARE Low. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% Now 2d 1d 12h 6h Departs Lands

How late will it get to FAI?

  1. On time or early
    84%
  2. 15 min–1 hour late
    12%
  3. Over 1 hour late
    3%
  4. Cancelled
    2%

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