AS1031
AS1031 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Hilo to Honolulu. Of 323 departures recorded from April 2025 to July 2026, 77.2% left on time, according to the US BTS.
- On-time departures77.2%of 323 flights
- Average delay9.6 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.2%
- 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 periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | – | 28 | – |
| March | – | 31 | – |
| April | 1 | 25 | ▲ 2,400.0% |
| May | – | 31 | – |
| June | 19 | 30 | ▲ 57.9% |
| July | 30 | 31 | ▲ 3.3% |
| August | 26 | – | – |
| September | 17 | – | – |
| October | 24 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → 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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 82.8% | – |
| February | – | 89.3% | – |
| March | – | 69.0% | – |
| April | 0.0% | 80.0% | – |
| May | – | 71.0% | – |
| June | 52.6% | 89.7% | ▲ 70.4% |
| July | 64.3% | 90.3% | ▲ 40.5% |
| August | 69.2% | – | – |
| September | 76.5% | – | – |
| October | 87.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · April 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 2 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 1 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → 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 97.8% 316
- Cancelled 2.2% 7
Share of all recorded flights in the period, all legs. · Apr 22, 2025 → 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 |
|---|---|---|---|---|
| ITO HNL Hilo International Airport – Daniel K. Inouye International Airport | 349 | 8.2 min | 81.7% | 206 |
| BZN SEA Bozeman Yellowstone International Airport – Seattle–Tacoma International Airport | 871 | 12.0 min | 69.9% | 116 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 1 | 1 | 0.0% | 0 |
| June 2025 | 19 | 19 | 52.6% | 0 |
| July 2025 | 30 | 28 | 64.3% | 2 |
| August 2025 | 26 | 26 | 69.2% | 0 |
| September 2025 | 17 | 17 | 76.5% | 0 |
| October 2025 | 24 | 23 | 87.0% | 1 |
| January 2026 | 30 | 29 | 82.8% | 1 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 29 | 69.0% | 2 |
| April 2026 | 25 | 25 | 80.0% | 0 |
| May 2026 | 31 | 31 | 71.0% | 0 |
| June 2026 | 30 | 29 | 89.7% | 1 |
| July 2026 | 31 | 31 | 90.3% | 0 |