AS787
AS787 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Seattle to Charleston. Of 513 departures recorded from October 2024 to July 2026, 81.7% left on time, according to the US BTS.
- On-time departures81.7%of 513 flights
- Average delay6.0 min
- July 202662
- Cancelled0.8%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 41 | – |
| February | – | 49 | – |
| March | 8 | 62 | ▲ 675.0% |
| April | 15 | 60 | ▲ 300.0% |
| May | 22 | 62 | ▲ 181.8% |
| June | 10 | 60 | ▲ 500.0% |
| July | – | 62 | – |
| August | – | – | – |
| September | – | – | – |
| October | 12 | – | in progress |
| November | 20 | – | – |
| December | 25 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.5% | – |
| February | – | 95.9% | – |
| March | 62.5% | 88.7% | ▲ 41.9% |
| April | 53.3% | 90.0% | ▲ 68.8% |
| May | 50.0% | 88.5% | ▲ 77.0% |
| June | 66.7% | 78.3% | ▲ 17.5% |
| July | – | 80.7% | – |
| August | – | – | – |
| September | – | – | – |
| October | 72.7% | – | in progress |
| November | 90.0% | – | – |
| December | 62.5% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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% 509
- Cancelled 0.8% 4
Share of all recorded flights in the period, all legs. · Oct 16, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA CHS Seattle–Tacoma International Airport – Charleston International Airport | 3,880 | 3.0 min | 89.3% | 196 |
| CHS SEA Charleston International Airport – Seattle–Tacoma International Airport | 3,880 | 4.0 min | 83.5% | 195 |
| LAS SEA Harry Reid International Airport – Seattle–Tacoma International Airport | 1,395 | 19.1 min | 58.8% | 88 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 1 | 1 | 100.0% | 0 |
| November 2024 | 3 | 3 | 100.0% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| March 2025 | 8 | 8 | 62.5% | 0 |
| April 2025 | 15 | 15 | 53.3% | 0 |
| May 2025 | 22 | 22 | 50.0% | 0 |
| June 2025 | 10 | 9 | 66.7% | 1 |
| October 2025 | 12 | 11 | 72.7% | 1 |
| November 2025 | 20 | 20 | 90.0% | 0 |
| December 2025 | 25 | 24 | 62.5% | 1 |
| January 2026 | 41 | 41 | 80.5% | 0 |
| February 2026 | 49 | 49 | 95.9% | 0 |
| March 2026 | 62 | 62 | 88.7% | 0 |
| April 2026 | 60 | 60 | 90.0% | 0 |
| May 2026 | 62 | 61 | 88.5% | 1 |
| June 2026 | 60 | 60 | 78.3% | 0 |
| July 2026 | 62 | 62 | 80.7% | 0 |