DL527
DL527 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Kansas City to Atlanta. Of 990 departures recorded from October 2024 to July 2026, 82.8% left on time, according to the US BTS.
- On-time departures82.8%of 990 flights
- Average delay10.5 min
- July 202647▼ 24.2%vs July 2025
- Cancelled1.7%
- Legs flown under this number11
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 | 48 | 31 | ▼ 35.4% |
| February | 48 | 28 | ▼ 41.7% |
| March | 35 | 45 | ▲ 28.6% |
| April | 30 | 47 | ▲ 56.7% |
| May | 54 | 48 | ▼ 11.1% |
| June | 60 | 45 | ▼ 25.0% |
| July | 62 | 47 | ▼ 24.2% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 337 | 291 | ▼ 13.6% |
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 | 69.1% | 86.2% | ▲ 24.9% |
| February | 75.0% | 92.0% | ▲ 22.7% |
| March | 68.6% | 72.7% | ▲ 6.1% |
| April | 80.0% | 80.9% | ▲ 1.1% |
| May | 92.6% | 85.4% | ▼ 7.7% |
| June | 81.7% | 81.8% | ▲ 0.2% |
| July | 88.7% | 63.0% | ▼ 28.9% |
| August | 95.2% | – | – |
| September | 95.0% | – | – |
| October | 91.9% | – | in progress |
| November | 93.3% | – | – |
| December | 63.8% | – | – |
| Year-to-date average (Jan–Jul) | 79.4% | 80.3% | ▲ 1.2% |
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 | 6 | 2 | ▼ 66.7% |
| February | 0 | 3 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 33.3% |
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 98.3% 973
- Cancelled 1.7% 17
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 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 18 | 18 | 77.8% | 0 |
| January 2025 | 48 | 42 | 69.1% | 6 |
| February 2025 | 48 | 48 | 75.0% | 0 |
| March 2025 | 35 | 35 | 68.6% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 54 | 54 | 92.6% | 0 |
| June 2025 | 60 | 60 | 81.7% | 0 |
| July 2025 | 62 | 62 | 88.7% | 0 |
| August 2025 | 62 | 62 | 95.2% | 0 |
| September 2025 | 60 | 60 | 95.0% | 0 |
| October 2025 | 62 | 62 | 91.9% | 0 |
| November 2025 | 60 | 60 | 93.3% | 0 |
| December 2025 | 50 | 47 | 63.8% | 3 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 28 | 25 | 92.0% | 3 |
| March 2026 | 45 | 44 | 72.7% | 1 |
| April 2026 | 47 | 47 | 80.9% | 0 |
| May 2026 | 48 | 48 | 85.4% | 0 |
| June 2026 | 45 | 44 | 81.8% | 1 |
| July 2026 | 47 | 46 | 63.0% | 1 |