DL1545
DL1545 (Delta Air Lines) is a multi-stop service on 10 routes, busiest Atlanta to Columbus. Of 598 departures recorded from October 2024 to July 2026, 77.3% left on time, according to the US BTS.
- On-time departures77.3%of 598 flights
- Average delay13.5 min
- July 202631▲ 63.2%vs July 2025
- Cancelled2.0%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 50 | ▲ 257.1% |
| February | – | 52 | – |
| March | 23 | 54 | ▲ 134.8% |
| April | 15 | 51 | ▲ 240.0% |
| May | 26 | 35 | ▲ 34.6% |
| June | 22 | 30 | ▲ 36.4% |
| July | 19 | 31 | ▲ 63.2% |
| August | 17 | – | – |
| September | 13 | – | – |
| October | 28 | – | in progress |
| November | 23 | – | – |
| December | 38 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.3% | 91.8% | ▼ 0.5% |
| February | – | 90.0% | – |
| March | 87.0% | 80.8% | ▼ 7.1% |
| April | 80.0% | 73.5% | ▼ 8.2% |
| May | 61.5% | 71.4% | ▲ 16.1% |
| June | 52.4% | 69.0% | ▲ 31.7% |
| July | 77.8% | 41.9% | ▼ 46.1% |
| August | 81.3% | – | – |
| September | 92.3% | – | – |
| October | 75.0% | – | in progress |
| November | 65.2% | – | – |
| December | 71.1% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | – | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.0% 586
- Cancelled 2.0% 12
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL CMH Hartsfield Jackson Atlanta International Airport – John Glenn Columbus International Airport | 720 | 17.4 min | 67.3% | 154 |
| ATL TLH Hartsfield Jackson Atlanta International Airport – Tallahassee International Airport | 360 | 3.6 min | 80.6% | 112 |
| TLH ATL Tallahassee International Airport – Hartsfield Jackson Atlanta International Airport | 360 | 1.4 min | 84.3% | 105 |
| TPA ATL Tampa International Airport – Hartsfield Jackson Atlanta International Airport | 655 | -1.0 min | 94.3% | 71 |
| PHX DTW Phoenix Sky Harbor International Airport – Detroit Metropolitan Wayne County Airport | 2,683 | 46.3 min | 83.3% | 36 |
| DFW LGA Dallas Fort Worth International Airport – LaGuardia Airport | 2,231 | 29.4 min | 62.5% | 32 |
| DJT BOS President Donald J. Trump International Airport – Boston Logan International Airport | 1,929 | 20.9 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 16 | 16 | 100.0% | 0 |
| December 2024 | 29 | 29 | 96.6% | 0 |
| January 2025 | 14 | 13 | 92.3% | 1 |
| March 2025 | 23 | 23 | 87.0% | 0 |
| April 2025 | 15 | 15 | 80.0% | 0 |
| May 2025 | 26 | 26 | 61.5% | 0 |
| June 2025 | 22 | 21 | 52.4% | 1 |
| July 2025 | 19 | 18 | 77.8% | 1 |
| August 2025 | 17 | 16 | 81.3% | 1 |
| September 2025 | 13 | 13 | 92.3% | 0 |
| October 2025 | 28 | 28 | 75.0% | 0 |
| November 2025 | 23 | 23 | 65.2% | 0 |
| December 2025 | 38 | 38 | 71.1% | 0 |
| January 2026 | 50 | 49 | 91.8% | 1 |
| February 2026 | 52 | 50 | 90.0% | 2 |
| March 2026 | 54 | 52 | 80.8% | 2 |
| April 2026 | 51 | 49 | 73.5% | 2 |
| May 2026 | 35 | 35 | 71.4% | 0 |
| June 2026 | 30 | 29 | 69.0% | 1 |
| July 2026 | 31 | 31 | 41.9% | 0 |