DL1248
DL1248 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Atlanta to Harrisburg. Of 1,161 departures recorded from October 2024 to July 2026, 84.7% left on time, according to the US BTS.
- On-time departures84.7%of 1,161 flights
- Average delay7.2 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number4
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 | 17 | 57 | ▲ 235.3% |
| February | 28 | 56 | ▲ 100.0% |
| March | 54 | 56 | ▲ 3.7% |
| April | 60 | 56 | ▼ 6.7% |
| May | 52 | 62 | ▲ 19.2% |
| June | 56 | 60 | ▲ 7.1% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 329 | 409 | ▲ 24.3% |
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 | 93.3% | 77.8% | ▼ 16.7% |
| February | 89.3% | 74.1% | ▼ 17.0% |
| March | 90.7% | 63.0% | ▼ 30.6% |
| April | 85.0% | 75.9% | ▼ 10.7% |
| May | 82.7% | 98.3% | ▲ 18.9% |
| June | 66.7% | 91.7% | ▲ 37.5% |
| July | 83.9% | 87.1% | ▲ 3.9% |
| August | 95.2% | – | – |
| September | 91.7% | – | – |
| October | 90.3% | – | in progress |
| November | 89.8% | – | – |
| December | 80.9% | – | – |
| Year-to-date average (Jan–Jul) | 84.5% | 81.1% | ▼ 4.0% |
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 | 2 | 3 | ▲ 50.0% |
| February | 0 | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 2 | – |
| May | 0 | 4 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 13 | ▲ 225.0% |
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 98.5% 1,144
- Cancelled 1.5% 17
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 |
|---|---|---|---|---|
| ATL MDT Hartsfield Jackson Atlanta International Airport – Harrisburg International Airport | 997 | 2.8 min | 87.9% | 545 |
| MDT ATL Harrisburg International Airport – Hartsfield Jackson Atlanta International Airport | 997 | 11.7 min | 81.7% | 543 |
| GNV ATL Gainesville Regional Airport – Hartsfield Jackson Atlanta International Airport | 484 | -5.3 min | 93.8% | 49 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 92.5% | 0 |
| November 2024 | 59 | 59 | 86.4% | 0 |
| December 2024 | 34 | 34 | 79.4% | 0 |
| January 2025 | 17 | 15 | 93.3% | 2 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 54 | 54 | 90.7% | 0 |
| April 2025 | 60 | 60 | 85.0% | 0 |
| May 2025 | 52 | 52 | 82.7% | 0 |
| June 2025 | 56 | 54 | 66.7% | 2 |
| July 2025 | 62 | 62 | 83.9% | 0 |
| August 2025 | 62 | 62 | 95.2% | 0 |
| September 2025 | 60 | 60 | 91.7% | 0 |
| October 2025 | 62 | 62 | 90.3% | 0 |
| November 2025 | 59 | 59 | 89.8% | 0 |
| December 2025 | 47 | 47 | 80.9% | 0 |
| January 2026 | 57 | 54 | 77.8% | 3 |
| February 2026 | 56 | 54 | 74.1% | 2 |
| March 2026 | 56 | 54 | 63.0% | 2 |
| April 2026 | 56 | 54 | 75.9% | 2 |
| May 2026 | 62 | 58 | 98.3% | 4 |
| June 2026 | 60 | 60 | 91.7% | 0 |
| July 2026 | 62 | 62 | 87.1% | 0 |