DL1517
DL1517 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Los Angeles to Kansas City. Of 1,192 departures recorded from October 2024 to July 2026, 90.3% left on time, according to the US BTS.
- On-time departures90.3%of 1,192 flights
- Average delay3.6 min
- July 202646▼ 11.5%vs July 2025
- Cancelled0.8%
- 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 | 47 | 62 | ▲ 31.9% |
| February | 40 | 56 | ▲ 40.0% |
| March | 58 | 62 | ▲ 6.9% |
| April | 60 | 60 | 0.0% |
| May | 52 | 60 | ▲ 15.4% |
| June | 52 | 48 | ▼ 7.7% |
| July | 52 | 46 | ▼ 11.5% |
| August | 51 | – | – |
| September | 50 | – | – |
| October | 62 | – | in progress |
| November | 50 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 361 | 394 | ▲ 9.1% |
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 | 93.2% | 95.2% | ▲ 2.1% |
| February | 77.5% | 96.4% | ▲ 24.4% |
| March | 86.2% | 88.7% | ▲ 2.9% |
| April | 85.0% | 95.0% | ▲ 11.8% |
| May | 84.6% | 91.2% | ▲ 7.8% |
| June | 90.4% | 89.6% | ▼ 0.9% |
| July | 90.0% | 89.1% | ▼ 1.0% |
| August | 91.8% | – | – |
| September | 96.0% | – | – |
| October | 93.6% | – | in progress |
| November | 90.0% | – | – |
| December | 82.3% | – | – |
| Year-to-date average (Jan–Jul) | 86.7% | 92.2% | ▲ 6.3% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 3 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 3 | ▼ 40.0% |
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 99.2% 1,182
- Cancelled 0.8% 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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX MCI Los Angeles International Airport – Kansas City International Airport | 2,190 | 2.5 min | 89.9% | 617 |
| MCI LAX Kansas City International Airport – Los Angeles International Airport | 2,190 | 4.7 min | 90.7% | 575 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 95.0% | 0 |
| November 2024 | 60 | 60 | 93.3% | 0 |
| December 2024 | 62 | 62 | 90.3% | 0 |
| January 2025 | 47 | 44 | 93.2% | 3 |
| February 2025 | 40 | 40 | 77.5% | 0 |
| March 2025 | 58 | 58 | 86.2% | 0 |
| April 2025 | 60 | 60 | 85.0% | 0 |
| May 2025 | 52 | 52 | 84.6% | 0 |
| June 2025 | 52 | 52 | 90.4% | 0 |
| July 2025 | 52 | 50 | 90.0% | 2 |
| August 2025 | 51 | 49 | 91.8% | 2 |
| September 2025 | 50 | 50 | 96.0% | 0 |
| October 2025 | 62 | 62 | 93.6% | 0 |
| November 2025 | 50 | 50 | 90.0% | 0 |
| December 2025 | 62 | 62 | 82.3% | 0 |
| January 2026 | 62 | 62 | 95.2% | 0 |
| February 2026 | 56 | 56 | 96.4% | 0 |
| March 2026 | 62 | 62 | 88.7% | 0 |
| April 2026 | 60 | 60 | 95.0% | 0 |
| May 2026 | 60 | 57 | 91.2% | 3 |
| June 2026 | 48 | 48 | 89.6% | 0 |
| July 2026 | 46 | 46 | 89.1% | 0 |