DL1159
DL1159 (Delta Air Lines) is a multi-stop service on 12 routes, busiest Atlanta to Kansas City. Of 719 departures recorded from October 2024 to July 2026, 83.1% left on time, according to the US BTS.
- On-time departures83.1%of 719 flights
- Average delay10.8 min
- July 202631▲ 34.8%vs July 2025
- Cancelled1.4%
- Legs flown under this number12
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 | 29 | 31 | ▲ 6.9% |
| February | 28 | 28 | 0.0% |
| March | 31 | 21 | ▼ 32.3% |
| April | 28 | 25 | ▼ 10.7% |
| May | 30 | 31 | ▲ 3.3% |
| June | 25 | 30 | ▲ 20.0% |
| July | 23 | 31 | ▲ 34.8% |
| August | 32 | – | – |
| September | 36 | – | – |
| October | 54 | – | in progress |
| November | 50 | – | – |
| December | 14 | – | – |
| Year to date (Jan–Jul) | 194 | 197 | ▲ 1.5% |
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 | 71.4% | 80.7% | ▲ 12.9% |
| February | 89.3% | 89.3% | 0.0% |
| March | 74.2% | 85.0% | ▲ 14.6% |
| April | 92.9% | 83.3% | ▼ 10.3% |
| May | 86.7% | 80.0% | ▼ 7.7% |
| June | 68.0% | 72.4% | ▲ 6.5% |
| July | 87.0% | 67.7% | ▼ 22.1% |
| August | 96.9% | – | – |
| September | 86.1% | – | – |
| October | 96.3% | – | in progress |
| November | 78.3% | – | – |
| December | 53.9% | – | – |
| Year-to-date average (Jan–Jul) | 81.3% | 79.8% | ▼ 1.9% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 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 98.6% 709
- Cancelled 1.4% 10
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 39 | 39 | 97.4% | 0 |
| November 2024 | 59 | 59 | 86.4% | 0 |
| December 2024 | 44 | 44 | 75.0% | 0 |
| January 2025 | 29 | 28 | 71.4% | 1 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 28 | 28 | 92.9% | 0 |
| May 2025 | 30 | 30 | 86.7% | 0 |
| June 2025 | 25 | 25 | 68.0% | 0 |
| July 2025 | 23 | 23 | 87.0% | 0 |
| August 2025 | 32 | 32 | 96.9% | 0 |
| September 2025 | 36 | 36 | 86.1% | 0 |
| October 2025 | 54 | 54 | 96.3% | 0 |
| November 2025 | 50 | 46 | 78.3% | 4 |
| December 2025 | 14 | 13 | 53.9% | 1 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 21 | 20 | 85.0% | 1 |
| April 2026 | 25 | 24 | 83.3% | 1 |
| May 2026 | 31 | 30 | 80.0% | 1 |
| June 2026 | 30 | 29 | 72.4% | 1 |
| July 2026 | 31 | 31 | 67.7% | 0 |