tailodds FORECAST

Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

ALASKA · FLIGHT AS 306 SCHEDULED · TYPICAL ODDS

AS 306 · SEA → BOS

departs 8:23 AM PT · arrives 4:53 PM ET
Forecast issued Mon 10:00 PM ET · 109h before departure

Typical odds Too early for a weather forecast — these are typical odds for this flight on a Saturday 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 BOS more than 15 minutes late?
27% chance · ±5 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 BOS?

  1. On time or early
    72%
  2. 15 min–1 hour late
    22%
  3. Over 1 hour late
    5%
  4. Cancelled
    <1%

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