UA1671
UA1671 (United Airlines) is a multi-stop service on 13 routes, busiest Denver to Atlanta. Of 687 departures recorded from October 2024 to July 2026, 77.2% left on time, according to the US BTS.
- On-time departures77.2%of 687 flights
- Average delay12.0 min
- July 202627▼ 12.9%vs July 2025
- Cancelled0.9%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 51 | ▲ 104.0% |
| February | 28 | 39 | ▲ 39.3% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 30 | 0.0% |
| May | 52 | 29 | ▼ 44.2% |
| June | 28 | 26 | ▼ 7.1% |
| July | 31 | 27 | ▼ 12.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 225 | 257 | ▲ 14.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.6% | 66.7% | ▼ 19.3% |
| February | 67.9% | 84.6% | ▲ 24.7% |
| March | 54.8% | 57.4% | ▲ 4.7% |
| April | 83.3% | 90.0% | ▲ 8.0% |
| May | 82.4% | 89.7% | ▲ 8.9% |
| June | 92.6% | 84.6% | ▼ 8.6% |
| July | 71.0% | 77.8% | ▲ 9.6% |
| August | 87.1% | – | – |
| September | 86.7% | – | – |
| October | 90.3% | – | in progress |
| November | 78.6% | – | – |
| December | 88.2% | – | – |
| Year-to-date average (Jan–Jul) | 76.4% | 78.7% | ▲ 3.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 1 | ▼ 75.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.1% 681
- Cancelled 0.9% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN ATL Denver International Airport – Hartsfield Jackson Atlanta International Airport | 1,927 | 11.4 min | 82.3% | 289 |
| EWR ATL Newark Liberty International Airport – Hartsfield Jackson Atlanta International Airport | 1,199 | 18.9 min | 63.6% | 134 |
| ORD MSN Chicago O'Hare International Airport – Dane County Regional Truax Field | 175 | 23.3 min | 65.5% | 58 |
| JAX ORD Jacksonville International Airport – Chicago O'Hare International Airport | 1,393 | -1.6 min | 88.9% | 36 |
| LGA DEN LaGuardia Airport – Denver International Airport | 2,600 | 3.8 min | 84.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 51.7% | 0 |
| December 2024 | 18 | 18 | 61.1% | 0 |
| January 2025 | 25 | 23 | 82.6% | 2 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 31 | 31 | 54.8% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 52 | 51 | 82.4% | 1 |
| June 2025 | 28 | 27 | 92.6% | 1 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 29 | 28 | 78.6% | 1 |
| December 2025 | 17 | 17 | 88.2% | 0 |
| January 2026 | 51 | 51 | 66.7% | 0 |
| February 2026 | 39 | 39 | 84.6% | 0 |
| March 2026 | 55 | 54 | 57.4% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 29 | 29 | 89.7% | 0 |
| June 2026 | 26 | 26 | 84.6% | 0 |
| July 2026 | 27 | 27 | 77.8% | 0 |