DL1481
DL1481 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Louisville to Atlanta. Of 1,254 departures recorded from October 2024 to July 2026, 86.9% left on time, according to the US BTS.
- On-time departures86.9%of 1,254 flights
- Average delay4.2 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.3%
- 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 | 36 | 58 | ▲ 61.1% |
| February | 44 | 56 | ▲ 27.3% |
| March | 58 | 62 | ▲ 6.9% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 54 | – | – |
| Year to date (Jan–Jul) | 382 | 420 | ▲ 9.9% |
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 | 80.6% | 85.5% | ▲ 6.1% |
| February | 84.1% | 69.6% | ▼ 17.2% |
| March | 84.5% | 82.1% | ▼ 2.8% |
| April | 93.3% | 89.7% | ▼ 3.9% |
| May | 83.9% | 88.7% | ▲ 5.8% |
| June | 81.4% | 85.0% | ▲ 4.5% |
| July | 95.2% | 82.3% | ▼ 13.6% |
| August | 93.6% | – | – |
| September | 96.7% | – | – |
| October | 98.4% | – | in progress |
| November | 81.0% | – | – |
| December | 82.0% | – | – |
| Year-to-date average (Jan–Jul) | 86.1% | 83.3% | ▼ 3.3% |
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 | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 6 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 1 | 11 | ▲ 1,000.0% |
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 98.7% 1,238
- Cancelled 1.3% 16
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 |
|---|---|---|---|---|
| SDF ATL Louisville Muhammad Ali International Airport – Hartsfield Jackson Atlanta International Airport | 518 | 4.4 min | 86.9% | 613 |
| ATL SDF Hartsfield Jackson Atlanta International Airport – Louisville Muhammad Ali International Airport | 518 | 1.5 min | 88.1% | 613 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 92.5% | 0 |
| November 2024 | 60 | 60 | 98.3% | 0 |
| December 2024 | 56 | 56 | 78.6% | 0 |
| January 2025 | 36 | 36 | 80.6% | 0 |
| February 2025 | 44 | 44 | 84.1% | 0 |
| March 2025 | 58 | 58 | 84.5% | 0 |
| April 2025 | 60 | 60 | 93.3% | 0 |
| May 2025 | 62 | 62 | 83.9% | 0 |
| June 2025 | 60 | 59 | 81.4% | 1 |
| July 2025 | 62 | 62 | 95.2% | 0 |
| August 2025 | 62 | 62 | 93.6% | 0 |
| September 2025 | 60 | 60 | 96.7% | 0 |
| October 2025 | 62 | 62 | 98.4% | 0 |
| November 2025 | 58 | 58 | 81.0% | 0 |
| December 2025 | 54 | 50 | 82.0% | 4 |
| January 2026 | 58 | 55 | 85.5% | 3 |
| February 2026 | 56 | 56 | 69.6% | 0 |
| March 2026 | 62 | 56 | 82.1% | 6 |
| April 2026 | 60 | 58 | 89.7% | 2 |
| May 2026 | 62 | 62 | 88.7% | 0 |
| June 2026 | 60 | 60 | 85.0% | 0 |
| July 2026 | 62 | 62 | 82.3% | 0 |