AS1138
AS1138 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Santa Barbara. Of 575 departures recorded from October 2024 to July 2026, 79.7% left on time, according to the US BTS.
- On-time departures79.7%of 575 flights
- Average delay8.9 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number2
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 | 30 | 30 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 28 | 31 | ▲ 10.7% |
| April | 27 | 30 | ▲ 11.1% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 29 | – | – |
| September | 26 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 204 | 211 | ▲ 3.4% |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 83.3% | 0.0% |
| February | 71.4% | 71.4% | 0.0% |
| March | 100.0% | 80.7% | ▼ 19.3% |
| April | 77.8% | 80.0% | ▲ 2.9% |
| May | 83.3% | 79.3% | ▼ 4.8% |
| June | 66.7% | 79.3% | ▲ 19.0% |
| July | 48.3% | 87.1% | ▲ 80.4% |
| August | 65.5% | – | – |
| September | 88.5% | – | – |
| October | 76.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jul) | 75.8% | 80.2% | ▲ 5.7% |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 2 | ▲ 100.0% |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.1% 570
- Cancelled 0.9% 5
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA SBA Seattle–Tacoma International Airport – Santa Barbara Municipal Airport | 1,463 | 8.8 min | 79.3% | 364 |
| HNL KOA Daniel K. Inouye International Airport – Ellison Onizuka Kona International Airport at Keāhole | 263 | 9.2 min | 80.3% | 211 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 30 | 30 | 83.3% | 0 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 28 | 28 | 100.0% | 0 |
| April 2025 | 27 | 27 | 77.8% | 0 |
| May 2025 | 31 | 30 | 83.3% | 1 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 30 | 29 | 48.3% | 1 |
| August 2025 | 29 | 29 | 65.5% | 0 |
| September 2025 | 26 | 26 | 88.5% | 0 |
| October 2025 | 25 | 25 | 76.0% | 0 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 31 | 29 | 79.3% | 2 |
| June 2026 | 30 | 29 | 79.3% | 1 |
| July 2026 | 31 | 31 | 87.1% | 0 |