DL3157
DL3157 (Delta Air Lines) is a multi-stop service on 2 routes, busiest New Orleans to Atlanta. Of 906 departures recorded from October 2024 to July 2026, 79.3% left on time, according to the US BTS.
- On-time departures79.3%of 906 flights
- Average delay10.3 min
- July 202662
- Cancelled1.8%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 60 | 62 | ▲ 3.3% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 54 | ▼ 12.9% |
| June | 14 | 58 | ▲ 314.3% |
| July | – | 62 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 24 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.8% | 84.5% | ▲ 4.6% |
| February | 75.0% | 85.7% | ▲ 14.3% |
| March | 58.1% | 76.7% | ▲ 32.1% |
| April | 83.3% | 88.3% | ▲ 6.0% |
| May | 77.4% | 80.8% | ▲ 4.3% |
| June | 92.9% | 86.2% | ▼ 7.2% |
| July | – | 72.6% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 79.2% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 8 | 4 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 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 98.2% 890
- Cancelled 1.8% 16
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSY ATL Louis Armstrong New Orleans International Airport – Hartsfield Jackson Atlanta International Airport | 684 | 13.5 min | 76.4% | 453 |
| ATL MSY Hartsfield Jackson Atlanta International Airport – Louis Armstrong New Orleans International Airport | 684 | 7.0 min | 82.3% | 453 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 38 | 38 | 86.8% | 0 |
| November 2024 | 60 | 60 | 81.7% | 0 |
| December 2024 | 56 | 56 | 73.2% | 0 |
| January 2025 | 60 | 52 | 80.8% | 8 |
| February 2025 | 56 | 56 | 75.0% | 0 |
| March 2025 | 62 | 62 | 58.1% | 0 |
| April 2025 | 60 | 60 | 83.3% | 0 |
| May 2025 | 62 | 62 | 77.4% | 0 |
| June 2025 | 14 | 14 | 92.9% | 0 |
| December 2025 | 24 | 24 | 79.2% | 0 |
| January 2026 | 62 | 58 | 84.5% | 4 |
| February 2026 | 56 | 56 | 85.7% | 0 |
| March 2026 | 62 | 60 | 76.7% | 2 |
| April 2026 | 60 | 60 | 88.3% | 0 |
| May 2026 | 54 | 52 | 80.8% | 2 |
| June 2026 | 58 | 58 | 86.2% | 0 |
| July 2026 | 62 | 62 | 72.6% | 0 |