DL1522
DL1522 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Columbus to Atlanta. Of 1,275 departures recorded from October 2024 to July 2026, 87.0% left on time, according to the US BTS.
- On-time departures87.0%of 1,275 flights
- Average delay7.2 min
- July 202656▼ 9.7%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 | 60 | 60 | 0.0% |
| February | 52 | 56 | ▲ 7.7% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 54 | ▼ 10.0% |
| July | 62 | 56 | ▼ 9.7% |
| August | 62 | – | – |
| September | 59 | – | – |
| October | 58 | – | in progress |
| November | 48 | – | – |
| December | 58 | – | – |
| Year to date (Jan–Jul) | 418 | 410 | ▼ 1.9% |
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 | 74.1% | 75.0% | ▲ 1.2% |
| February | 80.8% | 85.7% | ▲ 6.1% |
| March | 90.3% | 96.4% | ▲ 6.8% |
| April | 91.7% | 93.3% | ▲ 1.8% |
| May | 77.4% | 98.4% | ▲ 27.1% |
| June | 89.8% | 90.4% | ▲ 0.6% |
| July | 82.3% | 89.3% | ▲ 8.5% |
| August | 82.3% | – | – |
| September | 98.3% | – | – |
| October | 100.0% | – | in progress |
| November | 85.4% | – | – |
| December | 72.4% | – | – |
| Year-to-date average (Jan–Jul) | 83.8% | 89.8% | ▲ 7.2% |
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 | 4 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 6 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 12 | ▲ 300.0% |
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% 1,260
- Cancelled 1.2% 15
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 | 9.4 min | 87.2% | 642 |
| ATL CMH Hartsfield Jackson Atlanta International Airport – John Glenn Columbus International Airport | 720 | 5.1 min | 86.7% | 633 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 100.0% | 0 |
| November 2024 | 60 | 60 | 91.7% | 0 |
| December 2024 | 62 | 62 | 72.6% | 0 |
| January 2025 | 60 | 58 | 74.1% | 2 |
| February 2025 | 52 | 52 | 80.8% | 0 |
| March 2025 | 62 | 62 | 90.3% | 0 |
| April 2025 | 60 | 60 | 91.7% | 0 |
| May 2025 | 62 | 62 | 77.4% | 0 |
| June 2025 | 60 | 59 | 89.8% | 1 |
| July 2025 | 62 | 62 | 82.3% | 0 |
| August 2025 | 62 | 62 | 82.3% | 0 |
| September 2025 | 59 | 59 | 98.3% | 0 |
| October 2025 | 58 | 58 | 100.0% | 0 |
| November 2025 | 48 | 48 | 85.4% | 0 |
| December 2025 | 58 | 58 | 72.4% | 0 |
| January 2026 | 60 | 56 | 75.0% | 4 |
| February 2026 | 56 | 56 | 85.7% | 0 |
| March 2026 | 62 | 56 | 96.4% | 6 |
| April 2026 | 60 | 60 | 93.3% | 0 |
| May 2026 | 62 | 62 | 98.4% | 0 |
| June 2026 | 54 | 52 | 90.4% | 2 |
| July 2026 | 56 | 56 | 89.3% | 0 |