Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3109
SCHEDULED
Today
WN 3109 · MIA → HOU
departs 5:21 AM ET · arrives 7:00 AM CT
Forecast issued Thu 12:00 PM ET · 7h after departure
Odds over time
Arrive at HOU more than 15 minutes late?
19%
chance · ±0 pts
+0 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
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How late will it get to HOU?
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On time or early
80%
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15–30 min late
14%
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30 min–1 hour late
2%
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1–2 hours late
2%
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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%.