tailodds FORECAST

Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

ALASKA · FLIGHT AS 640 SCHEDULED · TYPICAL ODDS

AS 640 · TPA → SEA

departs 7:08 AM ET · arrives 10:13 AM PT
Forecast issued Sat 12:00 AM ET · 151h 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.

Arrive at SEA more than 15 minutes late?
20% chance · ±8 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% 10% 20% 30% 40% Now 2d 1d 12h 6h Departs Lands

How late will it get to SEA?

  1. On time or early
    68%
  2. 15–30 min late
    9%
  3. 30 min–1 hour late
    6%
  4. 1–2 hours late
    2%
  5. Over 2 hours late
    1%
  6. Cancelled
    15%

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