DL1561
DL1561 (Delta Air Lines) is a multi-stop service on 18 routes, busiest Detroit to Greenville. Of 621 departures recorded from October 2024 to July 2026, 80.9% left on time, according to the US BTS.
- On-time departures80.9%of 621 flights
- Average delay10.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number18
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 | 10 | 17 | ▲ 70.0% |
| February | – | 23 | – |
| March | 23 | 28 | ▲ 21.7% |
| April | 30 | 28 | ▼ 6.7% |
| May | 31 | 31 | 0.0% |
| June | 27 | 30 | ▲ 11.1% |
| July | 31 | 31 | 0.0% |
| August | 52 | – | – |
| September | 21 | – | – |
| October | 26 | – | in progress |
| November | 24 | – | – |
| December | 41 | – | – |
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 | 90.0% | 37.5% | ▼ 58.3% |
| February | – | 69.6% | – |
| March | 87.0% | 73.1% | ▼ 16.0% |
| April | 90.0% | 67.9% | ▼ 24.6% |
| May | 83.9% | 73.3% | ▼ 12.6% |
| June | 69.2% | 86.7% | ▲ 25.2% |
| July | 56.7% | 73.3% | ▲ 29.4% |
| August | 88.5% | – | – |
| September | 100.0% | – | – |
| October | 88.5% | – | in progress |
| November | 87.5% | – | – |
| December | 77.5% | – | – |
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 | 0 | 1 | – |
| February | – | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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% 613
- Cancelled 1.3% 8
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 97.5% | 0 |
| November 2024 | 39 | 39 | 84.6% | 0 |
| December 2024 | 38 | 38 | 92.1% | 0 |
| January 2025 | 10 | 10 | 90.0% | 0 |
| March 2025 | 23 | 23 | 87.0% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 27 | 26 | 69.2% | 1 |
| July 2025 | 31 | 30 | 56.7% | 1 |
| August 2025 | 52 | 52 | 88.5% | 0 |
| September 2025 | 21 | 21 | 100.0% | 0 |
| October 2025 | 26 | 26 | 88.5% | 0 |
| November 2025 | 24 | 24 | 87.5% | 0 |
| December 2025 | 41 | 40 | 77.5% | 1 |
| January 2026 | 17 | 16 | 37.5% | 1 |
| February 2026 | 23 | 23 | 69.6% | 0 |
| March 2026 | 28 | 26 | 73.1% | 2 |
| April 2026 | 28 | 28 | 67.9% | 0 |
| May 2026 | 31 | 30 | 73.3% | 1 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 30 | 73.3% | 1 |