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.

SKYWEST · FLIGHT OO 3678 SCHEDULED · TYPICAL SCHEDULE
Today

OO 3678 · SEA → BOI

departs 9:00 AM PT · arrives 11:38 AM MT
Forecast issued Fri 5:00 PM ET · 5h after departure

Odds over time

Arrive at BOI more than 15 minutes late?
11% chance · ±0 pts +2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 3.6d 2d 1d 12h 6h Departs Lands

How late will it get to BOI?

  1. On time or early
    89%
  2. 15–30 min late
    5%
  3. 30 min–1 hour late
    2%
  4. 1–2 hours late
    2%
  5. Over 2 hours late
    1%
  6. Cancelled
    <1%

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