DL3156
DL3156 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Charlotte to Atlanta. Of 791 departures recorded from October 2024 to July 2026, 87.8% left on time, according to the US BTS.
- On-time departures87.8%of 791 flights
- Average delay4.9 min
- July 202631▼ 50.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 4 | ▼ 87.1% |
| February | 28 | – | – |
| March | 31 | 24 | ▼ 22.6% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 53 | 30 | ▼ 43.4% |
| July | 62 | 31 | ▼ 50.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 50 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.1% | 100.0% | ▲ 14.8% |
| February | 89.3% | – | – |
| March | 100.0% | 82.6% | ▼ 17.4% |
| April | 90.0% | 90.0% | 0.0% |
| May | 100.0% | 90.3% | ▼ 9.7% |
| June | 83.0% | 100.0% | ▲ 20.5% |
| July | 79.0% | 90.0% | ▲ 13.9% |
| August | 95.2% | – | – |
| September | 93.3% | – | – |
| October | 85.5% | – | in progress |
| November | 76.7% | – | – |
| December | 66.0% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.6% 788
- Cancelled 0.4% 3
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 |
|---|---|---|---|---|
| CLT ATL Charlotte Douglas International Airport – Hartsfield Jackson Atlanta International Airport | 365 | 3.6 min | 93.2% | 401 |
| STL ATL St. Louis Lambert International Airport – Hartsfield Jackson Atlanta International Airport | 779 | 8.3 min | 80.0% | 195 |
| ATL STL Hartsfield Jackson Atlanta International Airport – St. Louis Lambert International Airport | 779 | 3.9 min | 84.6% | 195 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 100.0% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 30 | 100.0% | 1 |
| June 2025 | 53 | 53 | 83.0% | 0 |
| July 2025 | 62 | 62 | 79.0% | 0 |
| August 2025 | 62 | 62 | 95.2% | 0 |
| September 2025 | 60 | 60 | 93.3% | 0 |
| October 2025 | 62 | 62 | 85.5% | 0 |
| November 2025 | 60 | 60 | 76.7% | 0 |
| December 2025 | 50 | 50 | 66.0% | 0 |
| January 2026 | 4 | 4 | 100.0% | 0 |
| March 2026 | 24 | 23 | 82.6% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 100.0% | 0 |
| July 2026 | 31 | 30 | 90.0% | 1 |