AS1042
AS1042 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Seattle to San Luis Obispo. Of 839 departures recorded from October 2024 to June 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 839 flights
- Average delay8.0 min
- June 202621▼ 65.0%vs June 2025
- Cancelled1.8%
- Legs flown under this number3
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 | 62 | 24 | ▼ 61.3% |
| February | 56 | 20 | ▼ 64.3% |
| March | 60 | 26 | ▼ 56.7% |
| April | 60 | 30 | ▼ 50.0% |
| May | 62 | 26 | ▼ 58.1% |
| June | 60 | 21 | ▼ 65.0% |
| July | 62 | – | – |
| August | 62 | – | – |
| September | 56 | – | – |
| October | 50 | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jun) | 360 | 147 | ▼ 59.2% |
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 | 91.8% | 87.0% | ▼ 5.3% |
| February | 80.0% | 85.0% | ▲ 6.3% |
| March | 81.7% | 90.0% | ▲ 10.2% |
| April | 85.0% | 100.0% | ▲ 17.6% |
| May | 82.3% | 88.0% | ▲ 7.0% |
| June | 63.3% | 85.0% | ▲ 34.2% |
| July | 69.4% | – | – |
| August | 66.1% | – | – |
| September | 92.6% | – | – |
| October | 79.2% | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jun) | 80.7% | 89.2% | ▲ 10.5% |
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 | 1 | 1 | 0.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 6 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 2 | – | – |
| October | 2 | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jun) | 2 | 9 | ▲ 350.0% |
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 98.2% 824
- Cancelled 1.8% 15
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jun 29, 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 SBP Seattle–Tacoma International Airport – San Luis County Regional Airport | 1,365 | 9.1 min | 79.7% | 346 |
| SBP SEA San Luis County Regional Airport – Seattle–Tacoma International Airport | 1,365 | 8.5 min | 79.8% | 346 |
| HNL ITO Daniel K. Inouye International Airport – Hilo International Airport | 349 | 4.1 min | 89.9% | 147 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 34 | 34 | 91.2% | 0 |
| December 2024 | 48 | 48 | 83.3% | 0 |
| January 2025 | 62 | 61 | 91.8% | 1 |
| February 2025 | 56 | 55 | 80.0% | 1 |
| March 2025 | 60 | 60 | 81.7% | 0 |
| April 2025 | 60 | 60 | 85.0% | 0 |
| May 2025 | 62 | 62 | 82.3% | 0 |
| June 2025 | 60 | 60 | 63.3% | 0 |
| July 2025 | 62 | 62 | 69.4% | 0 |
| August 2025 | 62 | 62 | 66.1% | 0 |
| September 2025 | 56 | 54 | 92.6% | 2 |
| October 2025 | 50 | 48 | 79.2% | 2 |
| January 2026 | 24 | 23 | 87.0% | 1 |
| February 2026 | 20 | 20 | 85.0% | 0 |
| March 2026 | 26 | 20 | 90.0% | 6 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 26 | 25 | 88.0% | 1 |
| June 2026 | 21 | 20 | 85.0% | 1 |