Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 597SCHEDULED · TYPICAL SCHEDULE
UA 597 · DEN → BOS
departs 2:06 PM MT · arrives 8:10 PM ET
Forecast issued Fri 1:00 PM ET · 51h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
35%chance · ±1 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to BOS?
On time or early
65%
15–30 min late
10%
30 min–1 hour late
9%
1–2 hours late
13%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.