AS1321
AS1321 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Santa Rosa. Of 562 departures recorded from October 2024 to July 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 562 flights
- Average delay12.2 min
- July 202631▼ 48.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number2
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 | – | 6 | – |
| February | – | – | – |
| March | – | – | – |
| April | 8 | 9 | ▲ 12.5% |
| May | 50 | 50 | 0.0% |
| June | 60 | 39 | ▼ 35.0% |
| July | 60 | 31 | ▼ 48.3% |
| August | 49 | – | – |
| September | 30 | – | – |
| October | 53 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
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 | – | 50.0% | – |
| February | – | – | – |
| March | – | – | – |
| April | 75.0% | 100.0% | ▲ 33.3% |
| May | 64.0% | 98.0% | ▲ 53.1% |
| June | 61.7% | 76.9% | ▲ 24.7% |
| July | 55.9% | 74.2% | ▲ 32.6% |
| August | 63.8% | – | – |
| September | 76.7% | – | – |
| October | 90.6% | – | in progress |
| November | 90.0% | – | – |
| December | 63.0% | – | – |
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 | – | – | – |
| March | – | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
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 99.1% 557
- Cancelled 0.9% 5
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| SEA STS Seattle–Tacoma International Airport – Charles M. Schulz Sonoma County Airport | 995 | 9.3 min | 77.6% | 404 |
| STS SEA Charles M. Schulz Sonoma County Airport – Seattle–Tacoma International Airport | 995 | 19.6 min | 68.0% | 158 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 26 | 26 | 84.6% | 0 |
| December 2024 | 15 | 15 | 86.7% | 0 |
| April 2025 | 8 | 8 | 75.0% | 0 |
| May 2025 | 50 | 50 | 64.0% | 0 |
| June 2025 | 60 | 60 | 61.7% | 0 |
| July 2025 | 60 | 59 | 55.9% | 1 |
| August 2025 | 49 | 47 | 63.8% | 2 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 53 | 53 | 90.6% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 29 | 27 | 63.0% | 2 |
| January 2026 | 6 | 6 | 50.0% | 0 |
| April 2026 | 9 | 9 | 100.0% | 0 |
| May 2026 | 50 | 50 | 98.0% | 0 |
| June 2026 | 39 | 39 | 76.9% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |