AS430
AS430 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to Salt Lake City. Of 419 departures recorded from December 2024 to July 2026, 89.9% left on time, according to the US BTS.
- On-time departures89.9%of 419 flights
- Average delay1.1 min
- July 202631▲ 138.5%vs July 2025
- Cancelled1.2%
- 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 periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 24 | – |
| February | – | 24 | – |
| March | 22 | 30 | ▲ 36.4% |
| April | 45 | 21 | ▼ 53.3% |
| May | 31 | 19 | ▼ 38.7% |
| June | 20 | 30 | ▲ 50.0% |
| July | 13 | 31 | ▲ 138.5% |
| August | 15 | – | – |
| September | 17 | – | – |
| October | 17 | – | in progress |
| November | 13 | – | – |
| December | 31 | – | – |
according to the US BTS · December 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 95.8% | – |
| February | – | 95.8% | – |
| March | 90.9% | 86.2% | ▼ 5.2% |
| April | 93.3% | 100.0% | ▲ 7.1% |
| May | 74.2% | 94.7% | ▲ 27.7% |
| June | 89.5% | 83.3% | ▼ 6.9% |
| July | 84.6% | 80.7% | ▼ 4.7% |
| August | 93.3% | – | – |
| September | 94.1% | – | – |
| October | 88.2% | – | in progress |
| November | 100.0% | – | – |
| December | 93.6% | – | – |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
according to the US BTS · December 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 98.8% 414
- Cancelled 1.2% 5
Share of all recorded flights in the period, all legs. · Dec 3, 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 SLC Seattle–Tacoma International Airport – Salt Lake City International Airport | 1,107 | -0.8 min | 93.1% | 294 |
| PDX SEA Portland International Airport – Seattle–Tacoma International Airport | 208 | 8.4 min | 78.9% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 16 | 16 | 93.8% | 0 |
| March 2025 | 22 | 22 | 90.9% | 0 |
| April 2025 | 45 | 45 | 93.3% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 20 | 19 | 89.5% | 1 |
| July 2025 | 13 | 13 | 84.6% | 0 |
| August 2025 | 15 | 15 | 93.3% | 0 |
| September 2025 | 17 | 17 | 94.1% | 0 |
| October 2025 | 17 | 17 | 88.2% | 0 |
| November 2025 | 13 | 10 | 100.0% | 3 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 24 | 24 | 95.8% | 0 |
| February 2026 | 24 | 24 | 95.8% | 0 |
| March 2026 | 30 | 29 | 86.2% | 1 |
| April 2026 | 21 | 21 | 100.0% | 0 |
| May 2026 | 19 | 19 | 94.7% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |