DL1154
DL1154 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Atlanta to Philadelphia. Of 887 departures recorded from October 2024 to July 2026, 85.1% left on time, according to the US BTS.
- On-time departures85.1%of 887 flights
- Average delay8.6 min
- July 202616▼ 74.2%vs July 2025
- Cancelled1.1%
- 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 | 56 | 31 | ▼ 44.6% |
| February | 48 | 28 | ▼ 41.7% |
| March | 35 | 31 | ▼ 11.4% |
| April | 28 | 12 | ▼ 57.1% |
| May | 51 | 25 | ▼ 51.0% |
| June | 59 | 19 | ▼ 67.8% |
| July | 62 | 16 | ▼ 74.2% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 339 | 162 | ▼ 52.2% |
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 | 72.2% | 86.7% | ▲ 20.0% |
| February | 89.6% | 92.3% | ▲ 3.0% |
| March | 88.6% | 83.9% | ▼ 5.3% |
| April | 75.0% | 100.0% | ▲ 33.3% |
| May | 82.4% | 96.0% | ▲ 16.6% |
| June | 78.0% | 94.4% | ▲ 21.1% |
| July | 72.6% | 43.8% | ▼ 39.7% |
| August | 88.5% | – | – |
| September | 85.0% | – | – |
| October | 95.2% | – | in progress |
| November | 94.9% | – | – |
| December | 72.9% | – | – |
| Year-to-date average (Jan–Jul) | 79.8% | 85.3% | ▲ 6.9% |
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 | 1 | ▼ 50.0% |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 4 | ▲ 100.0% |
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 98.9% 877
- Cancelled 1.1% 10
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL PHL Hartsfield Jackson Atlanta International Airport – Philadelphia International Airport | 1,072 | 3.9 min | 88.5% | 395 |
| PHL ATL Philadelphia International Airport – Hartsfield Jackson Atlanta International Airport | 1,072 | 14.7 min | 82.1% | 314 |
| MCO LGA Orlando International Airport – LaGuardia Airport | 1,531 | 7.7 min | 84.8% | 62 |
| TPA DTW Tampa International Airport – Detroit Metropolitan Wayne County Airport | 1,585 | -2.5 min | 94.4% | 36 |
| SJC LAX Mineta San Jose International Airport – Los Angeles International Airport | 496 | -6.1 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 100.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 44 | 44 | 95.5% | 0 |
| January 2025 | 56 | 54 | 72.2% | 2 |
| February 2025 | 48 | 48 | 89.6% | 0 |
| March 2025 | 35 | 35 | 88.6% | 0 |
| April 2025 | 28 | 28 | 75.0% | 0 |
| May 2025 | 51 | 51 | 82.4% | 0 |
| June 2025 | 59 | 59 | 78.0% | 0 |
| July 2025 | 62 | 62 | 72.6% | 0 |
| August 2025 | 62 | 61 | 88.5% | 1 |
| September 2025 | 60 | 60 | 85.0% | 0 |
| October 2025 | 62 | 62 | 95.2% | 0 |
| November 2025 | 60 | 59 | 94.9% | 1 |
| December 2025 | 50 | 48 | 72.9% | 2 |
| January 2026 | 31 | 30 | 86.7% | 1 |
| February 2026 | 28 | 26 | 92.3% | 2 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 12 | 12 | 100.0% | 0 |
| May 2026 | 25 | 25 | 96.0% | 0 |
| June 2026 | 19 | 18 | 94.4% | 1 |
| July 2026 | 16 | 16 | 43.8% | 0 |