UA340
UA340 (United Airlines) is a multi-stop service on 12 routes, busiest Atlanta to Denver. Of 681 departures recorded from October 2024 to July 2026, 88.2% left on time, according to the US BTS.
- On-time departures88.2%of 681 flights
- Average delay7.9 min
- July 202631▼ 13.9%vs July 2025
- Cancelled2.1%
- Legs flown under this number12
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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 28 | 31 | ▲ 10.7% |
| June | 27 | 54 | ▲ 100.0% |
| July | 36 | 31 | ▼ 13.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 211 | 236 | ▲ 11.8% |
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 | 90.0% | 90.3% | ▲ 0.4% |
| February | 78.6% | 92.6% | ▲ 17.8% |
| March | 93.6% | 86.7% | ▼ 7.4% |
| April | 93.3% | 93.3% | 0.0% |
| May | 96.4% | 93.6% | ▼ 3.0% |
| June | 77.8% | 56.3% | ▼ 27.7% |
| July | 82.9% | 93.6% | ▲ 12.9% |
| August | 89.7% | – | – |
| September | 93.1% | – | – |
| October | 96.8% | – | in progress |
| November | 90.0% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 87.5% | 86.6% | ▼ 1.0% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 6 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 8 | ▲ 300.0% |
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 97.9% 667
- Cancelled 2.1% 14
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL DEN Hartsfield Jackson Atlanta International Airport – Denver International Airport | 1,927 | 5.0 min | 91.3% | 509 |
| DEN PWM Denver International Airport – Portland International Jetport | 2,861 | -3.5 min | 91.9% | 37 |
| ABQ ORD Albuquerque International Sunport – Chicago O'Hare International Airport | 1,796 | 28.3 min | 69.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 19 | 89.5% | 1 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 31 | 96.8% | 0 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 28 | 28 | 96.4% | 0 |
| June 2025 | 27 | 27 | 77.8% | 0 |
| July 2025 | 36 | 35 | 82.9% | 1 |
| August 2025 | 31 | 29 | 89.7% | 2 |
| September 2025 | 30 | 29 | 93.1% | 1 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 27 | 92.6% | 1 |
| March 2026 | 31 | 30 | 86.7% | 1 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 54 | 48 | 56.3% | 6 |
| July 2026 | 31 | 31 | 93.6% | 0 |