DL508
DL508 (Delta Air Lines) is a multi-stop service on 14 routes, busiest Los Angeles to Raleigh. Of 890 departures recorded from October 2024 to July 2026, 85.8% left on time, according to the US BTS.
- On-time departures85.8%of 890 flights
- Average delay8.1 min
- July 202662▲ 87.9%vs July 2025
- Cancelled0.2%
- Legs flown under this number14
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 | 57 | 30 | ▼ 47.4% |
| February | 56 | 28 | ▼ 50.0% |
| March | 62 | 31 | ▼ 50.0% |
| April | 43 | 14 | ▼ 67.4% |
| May | 54 | 41 | ▼ 24.1% |
| June | 37 | 58 | ▲ 56.8% |
| July | 33 | 62 | ▲ 87.9% |
| August | 39 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 342 | 264 | ▼ 22.8% |
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 | 86.0% | 96.7% | ▲ 12.5% |
| February | 80.4% | 96.4% | ▲ 20.0% |
| March | 88.5% | 86.7% | ▼ 2.1% |
| April | 93.0% | 100.0% | ▲ 7.5% |
| May | 87.0% | 90.2% | ▲ 3.7% |
| June | 86.5% | 93.1% | ▲ 7.6% |
| July | 81.8% | 71.0% | ▼ 13.3% |
| August | 89.7% | – | – |
| September | 100.0% | – | – |
| October | 83.9% | – | in progress |
| November | 80.0% | – | – |
| December | 82.1% | – | – |
| Year-to-date average (Jan–Jul) | 86.2% | 90.6% | ▲ 5.1% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.8% 888
- Cancelled 0.2% 2
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 | 36 | 36 | 80.6% | 0 |
| November 2024 | 54 | 54 | 81.5% | 0 |
| December 2024 | 36 | 36 | 72.2% | 0 |
| January 2025 | 57 | 57 | 86.0% | 0 |
| February 2025 | 56 | 56 | 80.4% | 0 |
| March 2025 | 62 | 61 | 88.5% | 1 |
| April 2025 | 43 | 43 | 93.0% | 0 |
| May 2025 | 54 | 54 | 87.0% | 0 |
| June 2025 | 37 | 37 | 86.5% | 0 |
| July 2025 | 33 | 33 | 81.8% | 0 |
| August 2025 | 39 | 39 | 89.7% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 28 | 28 | 82.1% | 0 |
| January 2026 | 30 | 30 | 96.7% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 30 | 86.7% | 1 |
| April 2026 | 14 | 14 | 100.0% | 0 |
| May 2026 | 41 | 41 | 90.2% | 0 |
| June 2026 | 58 | 58 | 93.1% | 0 |
| July 2026 | 62 | 62 | 71.0% | 0 |