Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1598SCHEDULED · TYPICAL SCHEDULE
UA 1598 · DEN → PWM
departs 9:54 AM MT · arrives 3:49 PM ET
Forecast issued Sat 6:00 PM ET · 42h before departure
Odds over time
Arrive at PWM more than 15 minutes late?
12%chance · ±2 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to PWM?
On time or early
87%
15–30 min late
6%
30 min–1 hour late
3%
1–2 hours late
2%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.