DL1501
DL1501 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Columbus. Of 492 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 492 flights
- Average delay12.2 min
- July 202622▼ 18.5%vs July 2025
- Cancelled1.2%
- 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 | 11 | 15 | ▲ 36.4% |
| February | 15 | 27 | ▲ 80.0% |
| March | 27 | 28 | ▲ 3.7% |
| April | 30 | 20 | ▼ 33.3% |
| May | 19 | 28 | ▲ 47.4% |
| June | 24 | 6 | ▼ 75.0% |
| July | 27 | 22 | ▼ 18.5% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 24 | – | – |
| December | 24 | – | – |
| Year to date (Jan–Jul) | 153 | 146 | ▼ 4.6% |
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 | 90.9% | 64.3% | ▼ 29.3% |
| February | 80.0% | 96.0% | ▲ 20.0% |
| March | 81.5% | 74.1% | ▼ 9.1% |
| April | 86.7% | 90.0% | ▲ 3.8% |
| May | 52.6% | 78.6% | ▲ 49.3% |
| June | 52.2% | 83.3% | ▲ 59.7% |
| July | 57.7% | 63.6% | ▲ 10.3% |
| August | 65.5% | – | – |
| September | 76.7% | – | – |
| October | 71.0% | – | in progress |
| November | 83.3% | – | – |
| December | 62.5% | – | – |
| Year-to-date average (Jan–Jul) | 71.7% | 78.6% | ▲ 9.6% |
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 | 1 | – |
| February | 0 | 2 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| 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 98.8% 486
- Cancelled 1.2% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL CMH Hartsfield Jackson Atlanta International Airport – John Glenn Columbus International Airport | 720 | 12.4 min | 74.8% | 468 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 8 | 8 | 100.0% | 0 |
| November 2024 | 19 | 19 | 89.5% | 0 |
| December 2024 | 28 | 28 | 82.1% | 0 |
| January 2025 | 11 | 11 | 90.9% | 0 |
| February 2025 | 15 | 15 | 80.0% | 0 |
| March 2025 | 27 | 27 | 81.5% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 19 | 19 | 52.6% | 0 |
| June 2025 | 24 | 23 | 52.2% | 1 |
| July 2025 | 27 | 26 | 57.7% | 1 |
| August 2025 | 29 | 29 | 65.5% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 31 | 71.0% | 0 |
| November 2025 | 24 | 24 | 83.3% | 0 |
| December 2025 | 24 | 24 | 62.5% | 0 |
| January 2026 | 15 | 14 | 64.3% | 1 |
| February 2026 | 27 | 25 | 96.0% | 2 |
| March 2026 | 28 | 27 | 74.1% | 1 |
| April 2026 | 20 | 20 | 90.0% | 0 |
| May 2026 | 28 | 28 | 78.6% | 0 |
| June 2026 | 6 | 6 | 83.3% | 0 |
| July 2026 | 22 | 22 | 63.6% | 0 |