DL1174
DL1174 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Atlanta to Philadelphia. Of 548 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 548 flights
- Average delay16.0 min
- July 20266▼ 80.6%vs July 2025
- Cancelled0.9%
- Legs flown under this number7
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 | 31 | 29 | ▼ 6.5% |
| February | 28 | 17 | ▼ 39.3% |
| March | 31 | 16 | ▼ 48.4% |
| April | 13 | 23 | ▲ 76.9% |
| May | 24 | 25 | ▲ 4.2% |
| June | 30 | 28 | ▼ 6.7% |
| July | 31 | 6 | ▼ 80.6% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 188 | 144 | ▼ 23.4% |
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 | 73.3% | 92.9% | ▲ 26.6% |
| February | 67.9% | 100.0% | ▲ 47.4% |
| March | 64.5% | 62.5% | ▼ 3.1% |
| April | 69.2% | 87.0% | ▲ 25.6% |
| May | 75.0% | 76.0% | ▲ 1.3% |
| June | 43.3% | 100.0% | ▲ 130.8% |
| July | 50.0% | 100.0% | ▲ 100.0% |
| August | 64.5% | – | – |
| September | 83.3% | – | – |
| October | 93.6% | – | in progress |
| November | 85.7% | – | – |
| December | 65.5% | – | – |
| Year-to-date average (Jan–Jul) | 63.3% | 88.3% | ▲ 39.5% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.1% 543
- Cancelled 0.9% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 6, 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 | 19.5 min | 71.4% | 469 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | -3.8 min | 96.6% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 20 | 20 | 95.0% | 0 |
| December 2024 | 33 | 33 | 63.6% | 0 |
| January 2025 | 31 | 30 | 73.3% | 1 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 13 | 13 | 69.2% | 0 |
| May 2025 | 24 | 24 | 75.0% | 0 |
| June 2025 | 30 | 30 | 43.3% | 0 |
| July 2025 | 31 | 30 | 50.0% | 1 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 28 | 85.7% | 2 |
| December 2025 | 29 | 29 | 65.5% | 0 |
| January 2026 | 29 | 28 | 92.9% | 1 |
| February 2026 | 17 | 17 | 100.0% | 0 |
| March 2026 | 16 | 16 | 62.5% | 0 |
| April 2026 | 23 | 23 | 87.0% | 0 |
| May 2026 | 25 | 25 | 76.0% | 0 |
| June 2026 | 28 | 28 | 100.0% | 0 |
| July 2026 | 6 | 6 | 100.0% | 0 |