Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4421
LANDED 11:22 PM MT, ~21 MIN EARLY
WN 4421 · DEN → BOI
took off 9:52 PM MT · landed 11:22 PM MT (scheduled 9:39 PM MT → 11:48 PM MT)
Forecast issued Fri 10:00 PM ET · 2h before departure
Odds over time
Arrive at BOI more than 15 minutes late?
Not late
chance · ±0 pts
– · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late did it get to BOI?
RESOLVED
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On time or early
✓
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15–30 min late
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30 min–1 hour late
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1–2 hours late
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Over 2 hours late
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Gate arrival compared with the scheduled arrival. The ranges add up to 100%.