AS558
AS558 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Kahului to Portland. Of 439 departures recorded from June 2025 to July 2026, 82.1% left on time, according to the US BTS.
- On-time departures82.1%of 439 flights
- Average delay7.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | – | 28 | – |
| March | – | 31 | – |
| April | – | 30 | – |
| May | – | 48 | – |
| June | 19 | 39 | ▲ 105.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 87.1% | – |
| February | – | 85.7% | – |
| March | – | 64.5% | – |
| April | – | 70.0% | – |
| May | – | 89.6% | – |
| June | 68.4% | 84.6% | ▲ 23.7% |
| July | 79.3% | 100.0% | ▲ 26.1% |
| August | 74.2% | – | – |
| September | 86.7% | – | – |
| October | 89.7% | – | in progress |
| November | 89.7% | – | – |
| December | 71.0% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
according to the US BTS · June 2025 → July 2026
Cancelled departures by month
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · June 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 99.3% 436
- Cancelled 0.7% 3
Share of all recorded flights in the period, all legs. · Jun 12, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OGG PDX Kahului International Airport – Portland International Airport | 4,123 | 7.7 min | 81.7% | 385 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 19 | 19 | 68.4% | 0 |
| July 2025 | 31 | 29 | 79.3% | 2 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 30 | 29 | 89.7% | 1 |
| November 2025 | 29 | 29 | 89.7% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 31 | 64.5% | 0 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 48 | 48 | 89.6% | 0 |
| June 2026 | 39 | 39 | 84.6% | 0 |
| July 2026 | 31 | 31 | 100.0% | 0 |