Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4156
SCHEDULED
Today
WN 4156 · SMF → PDX
departs 8:22 AM PT · arrives 10:00 AM PT
Forecast issued Wed 9:00 AM ET · 2h before departure
Odds over time
Arrive at PDX more than 15 minutes late?
27%
chance · ±0 pts
−5 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to PDX?
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On time or early
94%
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15–30 min late
2%
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30 min–1 hour late
2%
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1–2 hours late
<1%
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Over 2 hours late
<1%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.