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.
UNITED · FLIGHT UA 1506
SCHEDULED · TYPICAL SCHEDULE
UA 1506 · SDF → DEN
departs 8:00 AM ET · arrives 8:59 AM MT
Forecast issued Thu 3:00 PM ET · 65h before departure
Odds over time
Arrive at DEN more than 15 minutes late?
10%
chance · ±1 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 DEN?
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On time or early
90%
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15–30 min late
4%
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30 min–1 hour late
3%
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1–2 hours late
1%
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Over 2 hours late
2%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.