DL1525
DL1525 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Tampa. Of 1,157 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 1,157 flights
- Average delay16.9 min
- July 202654▲ 0.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number2
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 | 60 | 60 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 38 | ▼ 38.7% |
| April | 60 | 30 | ▼ 50.0% |
| May | 25 | 52 | ▲ 108.0% |
| June | 44 | 52 | ▲ 18.2% |
| July | 54 | 54 | 0.0% |
| August | 58 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 56 | – | – |
| Year to date (Jan–Jul) | 361 | 342 | ▼ 5.3% |
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 | 68.4% | 76.7% | ▲ 12.1% |
| February | 69.6% | 78.6% | ▲ 12.8% |
| March | 58.1% | 89.5% | ▲ 54.1% |
| April | 86.7% | 93.3% | ▲ 7.7% |
| May | 56.0% | 74.5% | ▲ 33.1% |
| June | 63.6% | 71.2% | ▲ 11.8% |
| July | 63.0% | 68.5% | ▲ 8.8% |
| August | 77.6% | – | – |
| September | 88.3% | – | – |
| October | 77.4% | – | in progress |
| November | 78.3% | – | – |
| December | 73.2% | – | – |
| Year-to-date average (Jan–Jul) | 66.5% | 78.9% | ▲ 18.7% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 99.7% 1,153
- Cancelled 0.3% 4
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 TPA Hartsfield Jackson Atlanta International Airport – Tampa International Airport | 655 | 13.7 min | 79.6% | 601 |
| TPA ATL Tampa International Airport – Hartsfield Jackson Atlanta International Airport | 655 | 20.5 min | 72.8% | 556 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 92.5% | 0 |
| November 2024 | 60 | 60 | 91.7% | 0 |
| December 2024 | 58 | 58 | 82.8% | 0 |
| January 2025 | 60 | 57 | 68.4% | 3 |
| February 2025 | 56 | 56 | 69.6% | 0 |
| March 2025 | 62 | 62 | 58.1% | 0 |
| April 2025 | 60 | 60 | 86.7% | 0 |
| May 2025 | 25 | 25 | 56.0% | 0 |
| June 2025 | 44 | 44 | 63.6% | 0 |
| July 2025 | 54 | 54 | 63.0% | 0 |
| August 2025 | 58 | 58 | 77.6% | 0 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 62 | 62 | 77.4% | 0 |
| November 2025 | 60 | 60 | 78.3% | 0 |
| December 2025 | 56 | 56 | 73.2% | 0 |
| January 2026 | 60 | 60 | 76.7% | 0 |
| February 2026 | 56 | 56 | 78.6% | 0 |
| March 2026 | 38 | 38 | 89.5% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 52 | 51 | 74.5% | 1 |
| June 2026 | 52 | 52 | 71.2% | 0 |
| July 2026 | 54 | 54 | 68.5% | 0 |