AS454
AS454 (Alaska Airlines) is a multi-stop service on 9 routes, busiest Seattle to Spokane. Of 341 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 341 flights
- Average delay9.0 min
- July 202630▲ 900.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 9 | 31 | ▲ 244.4% |
| February | 8 | 28 | ▲ 250.0% |
| March | 9 | 27 | ▲ 200.0% |
| April | 14 | 22 | ▲ 57.1% |
| May | 17 | 29 | ▲ 70.6% |
| June | 4 | 30 | ▲ 650.0% |
| July | 3 | 30 | ▲ 900.0% |
| August | 3 | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 24 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 64 | 197 | ▲ 207.8% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 88.9% | 64.5% | ▼ 27.4% |
| February | 87.5% | 92.9% | ▲ 6.1% |
| March | 77.8% | 69.2% | ▼ 11.0% |
| April | 78.6% | 90.9% | ▲ 15.7% |
| May | 70.6% | 85.7% | ▲ 21.4% |
| June | 75.0% | 80.0% | ▲ 6.7% |
| July | 100.0% | 60.0% | ▼ 40.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 82.6% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 82.6% | 77.6% | ▼ 6.1% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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% 338
- Cancelled 0.9% 3
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 GEG Seattle–Tacoma International Airport – Spokane International Airport | 359 | 11.0 min | 77.8% | 179 |
| SNA SEA John Wayne Orange County International Airport – Seattle–Tacoma International Airport | 1,576 | 16.6 min | 66.7% | 51 |
| SEA RSW Seattle–Tacoma International Airport – Southwest Florida International Airport | 4,218 | 8.2 min | 77.8% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 100.0% | 0 |
| December 2024 | 4 | 4 | 50.0% | 0 |
| January 2025 | 9 | 9 | 88.9% | 0 |
| February 2025 | 8 | 8 | 87.5% | 0 |
| March 2025 | 9 | 9 | 77.8% | 0 |
| April 2025 | 14 | 14 | 78.6% | 0 |
| May 2025 | 17 | 17 | 70.6% | 0 |
| June 2025 | 4 | 4 | 75.0% | 0 |
| July 2025 | 3 | 3 | 100.0% | 0 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 24 | 23 | 82.6% | 1 |
| December 2025 | 28 | 28 | 71.4% | 0 |
| January 2026 | 31 | 31 | 64.5% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 27 | 26 | 69.2% | 1 |
| April 2026 | 22 | 22 | 90.9% | 0 |
| May 2026 | 29 | 28 | 85.7% | 1 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 30 | 30 | 60.0% | 0 |