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.
SKYWEST · FLIGHT OO 3953
SCHEDULED · TYPICAL SCHEDULE
Tomorrow
OO 3953 · PDX → SEA
departs 9:32 AM PT · arrives 10:55 AM PT
Forecast issued Thu 9:00 AM ET · 28h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
22%
chance · ±1 pts
−4 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
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How late will it get to SEA?
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On time or early
77%
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15–30 min late
10%
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30 min–1 hour late
8%
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1–2 hours late
1%
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Over 2 hours late
3%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.