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.
UNITED · FLIGHT UA 588
SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 588 · DEN → IAH
departs 4:20 PM MT · arrives 7:57 PM CT
Forecast issued Thu 6:00 PM ET · 24h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
30%
chance · ±6 pts
−1 pt · 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 IAH?
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On time or early
69%
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15–30 min late
12%
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30 min–1 hour late
7%
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1–2 hours late
7%
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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%.