Schedule: FAA flight plans.
FRONTIER · FLIGHT F9 1923
SCHEDULED
Today
F9 1923 · LAS → ONT
departs 3:40 PM PT · arrives 4:57 PM PT
Forecast issued Tue 4:00 PM ET · 3h before departure
Odds over time
Arrive at ONT more than 15 minutes late?
41%
chance · ±2 pts
−4 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to ONT?
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On time or early
58%
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15–30 min late
10%
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30 min–1 hour late
16%
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1–2 hours late
9%
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Over 2 hours late
5%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.