Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3664
SCHEDULED
Today
WN 3664 · SLC → HOU
departs 12:55 PM MT · arrives 5:00 PM CT
Forecast issued Wed 1:00 PM ET · 2h before departure
Odds over time
Arrive at HOU more than 15 minutes late?
23%
chance · ±0 pts
+8 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 HOU?
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On time or early
77%
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15–30 min late
14%
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30 min–1 hour late
5%
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1–2 hours late
3%
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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%.