Schedule: FAA flight plans.
FRONTIER · FLIGHT F9 4428
SCHEDULED
Today
F9 4428 · ATL → BWI
departs 7:50 PM ET · arrives 10:02 PM ET
Forecast issued Tue 4:00 PM ET · 4h before departure
Odds over time
Arrive at BWI more than 15 minutes late?
24%
chance · ±2 pts
−10 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 BWI?
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On time or early
75%
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15–30 min late
7%
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30 min–1 hour late
6%
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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%.