Schedule: FAA flight plans.
UNITED · FLIGHT UA 597
IN THE AIR (OFF 3:12 PM MT, ETA 8:35 PM ET)
Today
UA 597 · DEN → BOS
took off 3:12 PM MT · expected to land 8:35 PM ET (scheduled 2:06 PM MT → 8:10 PM ET)
Forecast issued Tue 3:00 PM ET · 1h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
97%
chance · ±0 pts
+5 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 BOS?
LIVE
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On time or early
3%
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15–30 min late
32%
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30 min–1 hour late
65%
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1–2 hours late
<1%
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Over 2 hours late
0%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%; while it’s in the air they come from the FAA’s arrival estimate.