Schedule: FAA flight plans.
ALLEGIANT · FLIGHT G4 555
SCHEDULED
Today
G4 555 · BOS → GRR
departs 11:25 AM ET · arrives 1:52 PM ET
Forecast issued Sun 6:00 AM ET · 5h before departure
Odds over time
Arrive at GRR more than 15 minutes late?
16%
chance · ±0 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 GRR?
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On time or early
84%
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15–30 min late
2%
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30 min–1 hour late
9%
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1–2 hours late
2%
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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%.