AS1327
AS1327 (Alaska Airlines) is a multi-stop service on 2 routes, busiest San Francisco to Seattle. Of 303 departures recorded from June 2025 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 303 flights
- Average delay18.1 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.0%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | – | 24 | – |
| March | – | 13 | – |
| April | – | 5 | – |
| May | – | 1 | – |
| June | 19 | 21 | ▲ 10.5% |
| July | 30 | 31 | ▲ 3.3% |
| August | 26 | – | – |
| September | 17 | – | – |
| October | 29 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
according to the US BTS · June 2025 → 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 82.8% | – |
| February | – | 91.7% | – |
| March | – | 100.0% | – |
| April | – | 40.0% | – |
| May | – | 0.0% | – |
| June | 42.1% | 80.0% | ▲ 90.0% |
| July | 55.2% | 80.7% | ▲ 46.2% |
| August | 69.2% | – | – |
| September | 75.0% | – | – |
| October | 86.2% | – | in progress |
| November | 75.9% | – | – |
| December | 67.9% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
according to the US BTS · June 2025 → July 2026
Cancelled departures by month
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 2 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · June 2025 → 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 98.0% 297
- Cancelled 2.0% 6
Share of all recorded flights in the period, all legs. · Jun 12, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 18.1 min | 74.0% | 302 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 19 | 19 | 42.1% | 0 |
| July 2025 | 30 | 29 | 55.2% | 1 |
| August 2025 | 26 | 26 | 69.2% | 0 |
| September 2025 | 17 | 16 | 75.0% | 1 |
| October 2025 | 29 | 29 | 86.2% | 0 |
| November 2025 | 29 | 29 | 75.9% | 0 |
| December 2025 | 28 | 28 | 67.9% | 0 |
| January 2026 | 30 | 29 | 82.8% | 1 |
| February 2026 | 24 | 24 | 91.7% | 0 |
| March 2026 | 13 | 11 | 100.0% | 2 |
| April 2026 | 5 | 5 | 40.0% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 21 | 20 | 80.0% | 1 |
| July 2026 | 31 | 31 | 80.7% | 0 |