DL2279
DL2279 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Atlanta to Philadelphia. Of 727 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 727 flights
- Average delay10.5 min
- July 202656▼ 9.7%vs July 2025
- Cancelled1.2%
- 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 periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 54 | – |
| February | – | 56 | – |
| March | 23 | 62 | ▲ 169.6% |
| April | 30 | 60 | ▲ 100.0% |
| May | 56 | 62 | ▲ 10.7% |
| June | 60 | 54 | ▼ 10.0% |
| July | 62 | 56 | ▼ 9.7% |
| August | 20 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 78.4% | – |
| February | – | 77.8% | – |
| March | 82.6% | 73.3% | ▼ 11.2% |
| April | 80.0% | 85.0% | ▲ 6.3% |
| May | 69.6% | 95.2% | ▲ 36.6% |
| June | 66.1% | 79.6% | ▲ 20.5% |
| July | 67.7% | 76.4% | ▲ 12.7% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 3 | – |
| February | – | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | 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 98.8% 718
- Cancelled 1.2% 9
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 |
|---|---|---|---|---|
| ATL PHL Hartsfield Jackson Atlanta International Airport – Philadelphia International Airport | 1,072 | 7.2 min | 81.2% | 425 |
| PHL ATL Philadelphia International Airport – Hartsfield Jackson Atlanta International Airport | 1,072 | 15.3 min | 75.5% | 298 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 18 | 18 | 100.0% | 0 |
| March 2025 | 23 | 23 | 82.6% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 56 | 56 | 69.6% | 0 |
| June 2025 | 60 | 59 | 66.1% | 1 |
| July 2025 | 62 | 62 | 67.7% | 0 |
| August 2025 | 20 | 20 | 100.0% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| January 2026 | 54 | 51 | 78.4% | 3 |
| February 2026 | 56 | 54 | 77.8% | 2 |
| March 2026 | 62 | 60 | 73.3% | 2 |
| April 2026 | 60 | 60 | 85.0% | 0 |
| May 2026 | 62 | 62 | 95.2% | 0 |
| June 2026 | 54 | 54 | 79.6% | 0 |
| July 2026 | 56 | 55 | 76.4% | 1 |