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.
FRONTIER · FLIGHT F9 3346
SCHEDULED · TYPICAL SCHEDULE
Tomorrow
F9 3346 · ORD → SJU
departs 12:44 AM CT · arrives 6:44 AM AT
Forecast issued Wed 11:00 PM ET · 27h before departure
Odds over time
Arrive at SJU more than 15 minutes late?
36%
chance · ±4 pts
−8 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 SJU?
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On time or early
63%
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15–30 min late
4%
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30 min–1 hour late
17%
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1–2 hours late
9%
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Over 2 hours late
4%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.