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 1671SCHEDULED · TYPICAL SCHEDULE
UA 1671 · DEN → ATL
departs 1:26 PM MT · arrives 6:30 PM ET
Forecast issued Sat 1:00 AM ET · 62h before departure
Odds over time
Arrive at ATL more than 15 minutes late?
15%chance · ±4 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ATL?
On time or early
85%
15–30 min late
6%
30 min–1 hour late
2%
1–2 hours late
5%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.