AS579
AS579 (Alaska Airlines) is a multi-stop service on 11 routes, busiest Portland to Los Angeles. Of 197 departures recorded from October 2024 to July 2026, 84.5% left on time, according to the US BTS.
- On-time departures84.5%of 197 flights
- Average delay7.0 min
- July 202631▲ 24.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 6 | ▲ 500.0% |
| February | – | 1 | – |
| March | – | 1 | – |
| April | – | 1 | – |
| May | 13 | – | – |
| June | 22 | 21 | ▼ 4.5% |
| July | 25 | 31 | ▲ 24.0% |
| August | 25 | – | – |
| September | 21 | – | – |
| October | 7 | – | in progress |
| November | 8 | – | – |
| December | 7 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 66.7% | – |
| February | – | 100.0% | – |
| March | – | 0.0% | – |
| April | – | 100.0% | – |
| May | 76.9% | – | – |
| June | 81.0% | 81.0% | 0.0% |
| July | 83.3% | 90.0% | ▲ 8.0% |
| August | 84.0% | – | – |
| September | 85.7% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 85.7% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | 0 | – | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.5% 194
- Cancelled 1.5% 3
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 |
|---|---|---|---|---|
| PDX LAX Portland International Airport – Los Angeles International Airport | 1,343 | 7.1 min | 84.4% | 117 |
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | 8.5 min | 86.3% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| May 2025 | 13 | 13 | 76.9% | 0 |
| June 2025 | 22 | 21 | 81.0% | 1 |
| July 2025 | 25 | 24 | 83.3% | 1 |
| August 2025 | 25 | 25 | 84.0% | 0 |
| September 2025 | 21 | 21 | 85.7% | 0 |
| October 2025 | 7 | 7 | 100.0% | 0 |
| November 2025 | 8 | 8 | 100.0% | 0 |
| December 2025 | 7 | 7 | 85.7% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 21 | 21 | 81.0% | 0 |
| July 2026 | 31 | 30 | 90.0% | 1 |