DL3122
DL3122 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Atlanta to Pittsburgh. Of 378 departures recorded from October 2024 to July 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 378 flights
- Average delay7.2 min
- July 202615
- Cancelled1.9%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 16 | 41 | ▲ 156.3% |
| February | – | 17 | – |
| March | – | 45 | – |
| April | 9 | 56 | ▲ 522.2% |
| May | 17 | 56 | ▲ 229.4% |
| June | 4 | 23 | ▲ 475.0% |
| July | – | 15 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 42 | – | – |
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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 53.3% | 89.2% | ▲ 67.2% |
| February | – | 82.4% | – |
| March | – | 84.4% | – |
| April | 88.9% | 89.3% | ▲ 0.4% |
| May | 70.6% | 75.0% | ▲ 6.2% |
| June | 100.0% | 78.3% | ▼ 21.7% |
| July | – | 64.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 90.2% | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 4 | ▲ 300.0% |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 1 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
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 98.1% 371
- Cancelled 1.9% 7
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL PIT Hartsfield Jackson Atlanta International Airport – Pittsburgh International Airport | 848 | 6.4 min | 80.7% | 148 |
| PIT ATL Pittsburgh International Airport – Hartsfield Jackson Atlanta International Airport | 848 | 3.4 min | 83.2% | 127 |
| STL DTW St. Louis Lambert International Airport – Detroit Metropolitan Wayne County Airport | 707 | 21.0 min | 76.5% | 34 |
| DTW STL Detroit Metropolitan Wayne County Airport – St. Louis Lambert International Airport | 707 | 17.0 min | 73.5% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 81.8% | 0 |
| December 2024 | 26 | 26 | 76.9% | 0 |
| January 2025 | 16 | 15 | 53.3% | 1 |
| April 2025 | 9 | 9 | 88.9% | 0 |
| May 2025 | 17 | 17 | 70.6% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 42 | 41 | 90.2% | 1 |
| January 2026 | 41 | 37 | 89.2% | 4 |
| February 2026 | 17 | 17 | 82.4% | 0 |
| March 2026 | 45 | 45 | 84.4% | 0 |
| April 2026 | 56 | 56 | 89.3% | 0 |
| May 2026 | 56 | 56 | 75.0% | 0 |
| June 2026 | 23 | 23 | 78.3% | 0 |
| July 2026 | 15 | 14 | 64.3% | 1 |