DL786
DL786 (Delta Air Lines) is a multi-stop service on 8 routes, busiest Seattle to Washington. Of 901 departures recorded from October 2024 to July 2026, 86.8% left on time, according to the US BTS.
- On-time departures86.8%of 901 flights
- Average delay12.7 min
- July 202660▼ 3.2%vs July 2025
- Cancelled2.3%
- Legs flown under this number8
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 | 54 | 31 | ▼ 42.6% |
| February | 56 | 28 | ▼ 50.0% |
| March | 36 | 31 | ▼ 13.9% |
| April | 45 | 30 | ▼ 33.3% |
| May | 62 | 56 | ▼ 9.7% |
| June | 60 | 60 | 0.0% |
| July | 62 | 60 | ▼ 3.2% |
| August | 36 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 375 | 296 | ▼ 21.1% |
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 | 82.0% | 93.3% | ▲ 13.8% |
| February | 76.8% | 96.3% | ▲ 25.4% |
| March | 85.7% | 82.1% | ▼ 4.2% |
| April | 93.3% | 86.7% | ▼ 7.1% |
| May | 88.7% | 91.1% | ▲ 2.7% |
| June | 88.3% | 87.9% | ▼ 0.5% |
| July | 82.8% | 81.0% | ▼ 2.1% |
| August | 91.4% | – | – |
| September | 76.7% | – | – |
| October | 93.6% | – | in progress |
| November | 90.0% | – | – |
| December | 93.1% | – | – |
| Year-to-date average (Jan–Jul) | 85.4% | 88.4% | ▲ 3.5% |
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 | 4 | 1 | ▼ 75.0% |
| February | 0 | 1 | – |
| March | 1 | 3 | ▲ 200.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 4 | 2 | ▼ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 9 | 9 | 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 97.7% 880
- Cancelled 2.3% 21
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA DCA Seattle–Tacoma International Airport – Ronald Reagan Washington National Airport | 3,738 | 4.7 min | 93.2% | 437 |
| DCA SEA Ronald Reagan Washington National Airport – Seattle–Tacoma International Airport | 3,738 | 29.5 min | 79.0% | 235 |
| CLE ATL Cleveland Hopkins International Airport – Hartsfield Jackson Atlanta International Airport | 894 | 2.7 min | 88.2% | 68 |
| LEX ATL Blue Grass Airport – Hartsfield Jackson Atlanta International Airport | 489 | 17.9 min | 79.7% | 62 |
| ATL LEX Hartsfield Jackson Atlanta International Airport – Blue Grass Airport | 489 | 12.4 min | 83.3% | 62 |
| ATL CHA Hartsfield Jackson Atlanta International Airport – Chattanooga Metropolitan Airport (Lovell Field) | 171 | 8.4 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 22 | 22 | 72.7% | 0 |
| January 2025 | 54 | 50 | 82.0% | 4 |
| February 2025 | 56 | 56 | 76.8% | 0 |
| March 2025 | 36 | 35 | 85.7% | 1 |
| April 2025 | 45 | 45 | 93.3% | 0 |
| May 2025 | 62 | 62 | 88.7% | 0 |
| June 2025 | 60 | 60 | 88.3% | 0 |
| July 2025 | 62 | 58 | 82.8% | 4 |
| August 2025 | 36 | 35 | 91.4% | 1 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 31 | 29 | 93.1% | 2 |
| January 2026 | 31 | 30 | 93.3% | 1 |
| February 2026 | 28 | 27 | 96.3% | 1 |
| March 2026 | 31 | 28 | 82.1% | 3 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 56 | 56 | 91.1% | 0 |
| June 2026 | 60 | 58 | 87.9% | 2 |
| July 2026 | 60 | 58 | 81.0% | 2 |