DL1479
DL1479 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Columbus to Atlanta. Of 1,034 departures recorded from October 2024 to July 2026, 88.8% left on time, according to the US BTS.
- On-time departures88.8%of 1,034 flights
- Average delay3.6 min
- July 202654▲ 17.4%vs July 2025
- Cancelled1.8%
- 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 | 56 | 33 | ▼ 41.1% |
| February | 48 | 44 | ▼ 8.3% |
| March | 52 | 62 | ▲ 19.2% |
| April | 37 | 58 | ▲ 56.8% |
| May | 25 | 56 | ▲ 124.0% |
| June | 42 | 53 | ▲ 26.2% |
| July | 46 | 54 | ▲ 17.4% |
| August | 42 | – | – |
| September | 34 | – | – |
| October | 50 | – | in progress |
| November | 46 | – | – |
| December | 58 | – | – |
| Year to date (Jan–Jul) | 306 | 360 | ▲ 17.6% |
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 | 72.2% | 81.3% | ▲ 12.5% |
| February | 75.0% | 84.1% | ▲ 12.1% |
| March | 98.1% | 81.7% | ▼ 16.7% |
| April | 85.7% | 96.6% | ▲ 12.6% |
| May | 92.0% | 98.0% | ▲ 6.5% |
| June | 95.2% | 92.2% | ▼ 3.2% |
| July | 100.0% | 78.9% | ▼ 21.2% |
| August | 97.6% | – | – |
| September | 82.4% | – | – |
| October | 100.0% | – | in progress |
| November | 88.6% | – | – |
| December | 81.0% | – | – |
| Year-to-date average (Jan–Jul) | 88.3% | 87.5% | ▼ 0.9% |
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 | 0 | – |
| March | 0 | 2 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 6 | – |
| June | 0 | 2 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 13 | ▲ 225.0% |
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 98.2% 1,015
- Cancelled 1.8% 19
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 |
|---|---|---|---|---|
| CMH ATL John Glenn Columbus International Airport – Hartsfield Jackson Atlanta International Airport | 720 | 5.1 min | 88.6% | 569 |
| ATL CMH Hartsfield Jackson Atlanta International Airport – John Glenn Columbus International Airport | 720 | 1.9 min | 89.0% | 465 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 32 | 32 | 96.9% | 0 |
| November 2024 | 46 | 46 | 91.3% | 0 |
| December 2024 | 60 | 60 | 88.3% | 0 |
| January 2025 | 56 | 54 | 72.2% | 2 |
| February 2025 | 48 | 48 | 75.0% | 0 |
| March 2025 | 52 | 52 | 98.1% | 0 |
| April 2025 | 37 | 35 | 85.7% | 2 |
| May 2025 | 25 | 25 | 92.0% | 0 |
| June 2025 | 42 | 42 | 95.2% | 0 |
| July 2025 | 46 | 46 | 100.0% | 0 |
| August 2025 | 42 | 42 | 97.6% | 0 |
| September 2025 | 34 | 34 | 82.4% | 0 |
| October 2025 | 50 | 50 | 100.0% | 0 |
| November 2025 | 46 | 44 | 88.6% | 2 |
| December 2025 | 58 | 58 | 81.0% | 0 |
| January 2026 | 33 | 32 | 81.3% | 1 |
| February 2026 | 44 | 44 | 84.1% | 0 |
| March 2026 | 62 | 60 | 81.7% | 2 |
| April 2026 | 58 | 58 | 96.6% | 0 |
| May 2026 | 56 | 50 | 98.0% | 6 |
| June 2026 | 53 | 51 | 92.2% | 2 |
| July 2026 | 54 | 52 | 78.9% | 2 |