AS831
AS831 (Alaska Airlines) is a multi-stop service on 4 routes, busiest Portland to Kahului. Of 197 departures recorded from November 2024 to October 2025, 89.3% left on time, according to the US BTS.
- On-time departures89.3%of 197 flights
- Average delay3.0 min
- October 202525
- Cancelled0.0%
- Legs flown under this number4
Recorded departures by month
Short series — AS831 has only 10 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 14 | – |
| April | – | 30 | – |
| May | – | 14 | – |
| June | – | 19 | – |
| July | – | 31 | – |
| August | – | 31 | – |
| September | – | 30 | – |
| October | – | 25 | – |
| November | 1 | – | – |
| December | 2 | – | – |
according to the US BTS · November 2024 → October 2025
On-time departures by month
Short series — AS831 has only 10 months so far. Enough to show the level now, not enough to read a trend.
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 periods10 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 78.6% | – |
| April | – | 76.7% | – |
| May | – | 92.9% | – |
| June | – | 89.5% | – |
| July | – | 93.6% | – |
| August | – | 96.8% | – |
| September | – | 93.3% | – |
| October | – | 92.0% | – |
| November | 0.0% | – | – |
| December | 100.0% | – | – |
according to the US BTS · November 2024 → October 2025
Average departure delay by month
Short series — AS831 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · November 2024 → October 2025
Cancelled departures by month
Short series — AS831 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | 0 | – |
| September | – | 0 | – |
| October | – | 0 | – |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 2024 → October 2025
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 100.0% 197
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Nov 26, 2024 → Oct 25, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX OGG Portland International Airport – Kahului International Airport | 4,123 | 2.8 min | 89.6% | 193 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 1 | 1 | 0.0% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| March 2025 | 14 | 14 | 78.6% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 14 | 14 | 92.9% | 0 |
| June 2025 | 19 | 19 | 89.5% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 25 | 25 | 92.0% | 0 |