AS1121
AS1121 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Hilo to Honolulu. Of 276 departures recorded from October 2024 to July 2026, 73.7% left on time, according to the US BTS.
- On-time departures73.7%of 276 flights
- Average delay11.5 min
- July 202631
- 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 periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 30 | ▲ 650.0% |
| February | – | 28 | – |
| March | – | 17 | – |
| April | 5 | 11 | ▲ 120.0% |
| May | 10 | 31 | ▲ 210.0% |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 66.7% | 69.0% | ▲ 3.4% |
| February | – | 82.1% | – |
| March | – | 87.5% | – |
| April | 40.0% | 72.7% | ▲ 81.8% |
| May | 70.0% | 83.9% | ▲ 19.8% |
| June | – | 76.7% | – |
| July | – | 64.5% | – |
| August | – | – | – |
| September | – | – | – |
| October | 90.5% | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | – | 0 | – |
| March | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 97.8% 270
- Cancelled 2.2% 6
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 |
|---|---|---|---|---|
| ITO HNL Hilo International Airport – Daniel K. Inouye International Airport | 349 | 8.9 min | 76.1% | 178 |
| SAN PDX San Diego International Airport – Portland International Airport | 1,503 | 20.9 min | 63.0% | 76 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 61.1% | 0 |
| November 2024 | 20 | 20 | 90.0% | 0 |
| December 2024 | 19 | 17 | 35.3% | 2 |
| January 2025 | 4 | 3 | 66.7% | 1 |
| April 2025 | 5 | 5 | 40.0% | 0 |
| May 2025 | 10 | 10 | 70.0% | 0 |
| October 2025 | 22 | 21 | 90.5% | 1 |
| January 2026 | 30 | 29 | 69.0% | 1 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 17 | 16 | 87.5% | 1 |
| April 2026 | 11 | 11 | 72.7% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |