AS1318
AS1318 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to San Francisco. Of 371 departures recorded from October 2024 to June 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 371 flights
- Average delay13.1 min
- June 20261▼ 96.2%vs June 2025
- Cancelled0.3%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | 21 | ▼ 25.0% |
| February | 24 | 10 | ▼ 58.3% |
| March | 20 | 1 | ▼ 95.0% |
| April | 16 | – | – |
| May | 28 | – | – |
| June | 26 | 1 | ▼ 96.2% |
| July | 26 | – | – |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 9 | – | in progress |
| November | 18 | – | – |
| December | 14 | – | – |
according to the US BTS · October 2024 → June 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.7% | 85.7% | 0.0% |
| February | 58.3% | 90.0% | ▲ 54.3% |
| March | 75.0% | 100.0% | ▲ 33.3% |
| April | 81.3% | – | – |
| May | 82.1% | – | – |
| June | 65.4% | 100.0% | ▲ 53.0% |
| July | 57.7% | – | – |
| August | 59.3% | – | – |
| September | 76.7% | – | – |
| October | 77.8% | – | in progress |
| November | 83.3% | – | – |
| December | 71.4% | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → June 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 99.7% 370
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jun 9, 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 SFO Seattle–Tacoma International Airport – San Francisco International Airport | 1,093 | 14.5 min | 72.2% | 300 |
| PDX SEA Portland International Airport – Seattle–Tacoma International Airport | 208 | 7.3 min | 83.8% | 68 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 26 | 26 | 76.9% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 28 | 28 | 85.7% | 0 |
| February 2025 | 24 | 24 | 58.3% | 0 |
| March 2025 | 20 | 20 | 75.0% | 0 |
| April 2025 | 16 | 16 | 81.3% | 0 |
| May 2025 | 28 | 28 | 82.1% | 0 |
| June 2025 | 26 | 26 | 65.4% | 0 |
| July 2025 | 26 | 26 | 57.7% | 0 |
| August 2025 | 28 | 27 | 59.3% | 1 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 9 | 9 | 77.8% | 0 |
| November 2025 | 18 | 18 | 83.3% | 0 |
| December 2025 | 14 | 14 | 71.4% | 0 |
| January 2026 | 21 | 21 | 85.7% | 0 |
| February 2026 | 10 | 10 | 90.0% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 1 | 1 | 100.0% | 0 |