Schedule: a typical Sunday (the flights of Jul 26, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
FRONTIER · FLIGHT F9 4184
SCHEDULED · TYPICAL SCHEDULE
F9 4184 · PHX → IAH
departs 9:04 AM MT · arrives 1:59 PM CT
Forecast issued Thu 6:00 PM ET · 66h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
28%
chance · ±3 pts
+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 IAH?
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On time or early
71%
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15–30 min late
8%
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30 min–1 hour late
6%
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1–2 hours late
9%
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Over 2 hours late
4%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.