AS404
AS404 (Alaska Airlines) is a multi-stop service on 6 routes, busiest Seattle to Fresno. Of 382 departures recorded from October 2024 to July 2026, 76.1% left on time, according to the US BTS.
- On-time departures76.1%of 382 flights
- Average delay11.4 min
- July 202631
- Cancelled0.5%
- Legs flown under this number6
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 | – | 27 | – |
| February | – | 24 | – |
| March | 13 | 29 | ▲ 123.1% |
| April | 21 | 30 | ▲ 42.9% |
| May | 17 | 31 | ▲ 82.4% |
| June | 11 | 30 | ▲ 172.7% |
| July | – | 31 | – |
| August | 7 | – | – |
| September | 17 | – | – |
| October | 26 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 70.4% | – |
| February | – | 83.3% | – |
| March | 61.5% | 89.3% | ▲ 45.1% |
| April | 66.7% | 83.3% | ▲ 25.0% |
| May | 82.4% | 80.7% | ▼ 2.1% |
| June | 63.6% | 63.3% | ▼ 0.5% |
| July | – | 54.8% | – |
| August | 71.4% | – | – |
| September | 100.0% | – | – |
| October | 80.0% | – | in progress |
| November | 93.1% | – | – |
| December | 64.5% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 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 99.5% 380
- Cancelled 0.5% 2
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA FAT Seattle–Tacoma International Airport – Fresno Yosemite International Airport | 1,206 | 8.8 min | 80.8% | 188 |
| SAT SEA San Antonio International Airport – Seattle–Tacoma International Airport | 2,854 | 10.0 min | 75.2% | 106 |
| KOA SFO Ellison Onizuka Kona International Airport at Keāhole – San Francisco International Airport | 3,808 | 27.4 min | 57.7% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 85.7% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| March 2025 | 13 | 13 | 61.5% | 0 |
| April 2025 | 21 | 21 | 66.7% | 0 |
| May 2025 | 17 | 17 | 82.4% | 0 |
| June 2025 | 11 | 11 | 63.6% | 0 |
| August 2025 | 7 | 7 | 71.4% | 0 |
| September 2025 | 17 | 17 | 100.0% | 0 |
| October 2025 | 26 | 25 | 80.0% | 1 |
| November 2025 | 29 | 29 | 93.1% | 0 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 27 | 27 | 70.4% | 0 |
| February 2026 | 24 | 24 | 83.3% | 0 |
| March 2026 | 29 | 28 | 89.3% | 1 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 30 | 30 | 63.3% | 0 |
| July 2026 | 31 | 31 | 54.8% | 0 |