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.
SOUTHWEST · FLIGHT WN 1628
SCHEDULED · TYPICAL SCHEDULE
WN 1628 · DAL → HOU
departs 6:00 AM CT · arrives 7:10 AM CT
Forecast issued Wed 5:00 AM ET · 50h before departure
Odds over time
Arrive at HOU more than 15 minutes late?
16%
chance · ±3 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 HOU?
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On time or early
80%
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15–30 min late
6%
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30 min–1 hour late
4%
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1–2 hours late
4%
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Over 2 hours late
2%
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Cancelled
5%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.