DL957
DL957 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Denver to Atlanta. Of 784 departures recorded from October 2024 to July 2026, 82.8% left on time, according to the US BTS.
- On-time departures82.8%of 784 flights
- Average delay10.2 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number7
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 | 25 | ▼ 19.4% |
| February | 22 | 24 | ▲ 9.1% |
| March | 29 | 31 | ▲ 6.9% |
| April | 22 | 30 | ▲ 36.4% |
| May | 13 | 27 | ▲ 107.7% |
| June | 52 | 53 | ▲ 1.9% |
| July | 62 | 62 | 0.0% |
| August | 36 | – | – |
| September | 24 | – | – |
| October | 52 | – | in progress |
| November | 58 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 231 | 252 | ▲ 9.1% |
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 | 89.3% | 84.0% | ▼ 5.9% |
| February | 95.5% | 75.0% | ▼ 21.4% |
| March | 86.2% | 80.0% | ▼ 7.2% |
| April | 59.1% | 90.0% | ▲ 52.3% |
| May | 84.6% | 74.1% | ▼ 12.5% |
| June | 69.2% | 86.8% | ▲ 25.4% |
| July | 80.7% | 75.8% | ▼ 6.0% |
| August | 91.7% | – | – |
| September | 91.7% | – | – |
| October | 92.3% | – | in progress |
| November | 79.3% | – | – |
| December | 92.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.6% | 80.8% | ▲ 0.2% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 99.5% 780
- Cancelled 0.5% 4
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 | 15.0 min | 78.8% | 397 |
| ATL DEN Hartsfield Jackson Atlanta International Airport – Denver International Airport | 1,927 | 6.8 min | 82.8% | 145 |
| PHX ATL Phoenix Sky Harbor International Airport – Hartsfield Jackson Atlanta International Airport | 2,549 | 9.5 min | 86.3% | 73 |
| ATL PHX Hartsfield Jackson Atlanta International Airport – Phoenix Sky Harbor International Airport | 2,549 | 7.6 min | 87.7% | 73 |
| MSY MSP Louis Armstrong New Orleans International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,676 | 0.8 min | 92.2% | 54 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 74.2% | 0 |
| January 2025 | 31 | 28 | 89.3% | 3 |
| February 2025 | 22 | 22 | 95.5% | 0 |
| March 2025 | 29 | 29 | 86.2% | 0 |
| April 2025 | 22 | 22 | 59.1% | 0 |
| May 2025 | 13 | 13 | 84.6% | 0 |
| June 2025 | 52 | 52 | 69.2% | 0 |
| July 2025 | 62 | 62 | 80.7% | 0 |
| August 2025 | 36 | 36 | 91.7% | 0 |
| September 2025 | 24 | 24 | 91.7% | 0 |
| October 2025 | 52 | 52 | 92.3% | 0 |
| November 2025 | 58 | 58 | 79.3% | 0 |
| December 2025 | 50 | 50 | 92.0% | 0 |
| January 2026 | 25 | 25 | 84.0% | 0 |
| February 2026 | 24 | 24 | 75.0% | 0 |
| March 2026 | 31 | 30 | 80.0% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 27 | 27 | 74.1% | 0 |
| June 2026 | 53 | 53 | 86.8% | 0 |
| July 2026 | 62 | 62 | 75.8% | 0 |