Schedule: FAA flight plans.
ALLEGIANT · FLIGHT G4 581
SCHEDULED
Tomorrow
G4 581 · BOS → GRR
departs 10:38 AM ET · arrives 12:53 PM ET
Forecast issued Sat 10:00 AM ET · 25h before departure
Odds over time
Arrive at GRR more than 15 minutes late?
18%
chance · ±0 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 GRR?
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On time or early
82%
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15–30 min late
8%
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30 min–1 hour late
4%
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1–2 hours late
3%
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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%.