Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

UA 1671 · Denver (DEN) → Atlanta (ATL)

Sold by United. Still flying: 48 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).

Arrives on time79%within 15 minutes, of 200 flights
Cancelled0.5%of scheduled flights
An hour or more late8%of flights that operated
When late, on average61 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Atlanta is 2 h ahead of Denver).

Leaves DEN
13:26
Arrives ATL
18:30
Flight time
3h 04m
Days flown, last 8 weeks
48 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late21%
30+ min late15%
1h+ late8%
2h+ late3%
10%20%30%40% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at DEN

All flights leaving Denver (DEN) at 1–2 pm, wherever they’re going: 81% left within 15 minutes and 0.7% were cancelled (29,049 flights in the year). Other United flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.