AS578
AS578 (Alaska Airlines) is a multi-stop service on 9 routes, busiest Los Angeles to Portland. Of 307 departures recorded from October 2024 to July 2026, 89.5% left on time, according to the US BTS.
- On-time departures89.5%of 307 flights
- Average delay1.1 min
- July 202631▲ 14.8%vs July 2025
- Cancelled3.9%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 25 | ▲ 525.0% |
| February | – | 7 | – |
| March | – | 3 | – |
| April | – | 4 | – |
| May | 17 | – | – |
| June | 27 | 21 | ▼ 22.2% |
| July | 27 | 31 | ▲ 14.8% |
| August | 16 | – | – |
| September | – | – | – |
| October | 18 | – | in progress |
| November | 22 | – | – |
| December | 25 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 79.0% | ▼ 21.0% |
| February | – | 100.0% | – |
| March | – | 100.0% | – |
| April | – | 100.0% | – |
| May | 94.1% | – | – |
| June | 92.6% | 95.2% | ▲ 2.9% |
| July | 100.0% | 96.8% | ▼ 3.2% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 94.4% | – | in progress |
| November | 95.5% | – | – |
| December | 60.0% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 6 | – |
| February | – | 1 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 3 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | – | – | – |
| 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 96.1% 295
- Cancelled 3.9% 12
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX PDX Los Angeles International Airport – Portland International Airport | 1,343 | -5.2 min | 95.3% | 131 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 1.2 min | 96.2% | 52 |
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 0.7 min | 86.8% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 20 | 19 | 89.5% | 1 |
| December 2024 | 22 | 22 | 77.3% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| May 2025 | 17 | 17 | 94.1% | 0 |
| June 2025 | 27 | 27 | 92.6% | 0 |
| July 2025 | 27 | 24 | 100.0% | 3 |
| August 2025 | 16 | 15 | 100.0% | 1 |
| October 2025 | 18 | 18 | 94.4% | 0 |
| November 2025 | 22 | 22 | 95.5% | 0 |
| December 2025 | 25 | 25 | 60.0% | 0 |
| January 2026 | 25 | 19 | 79.0% | 6 |
| February 2026 | 7 | 6 | 100.0% | 1 |
| March 2026 | 3 | 3 | 100.0% | 0 |
| April 2026 | 4 | 4 | 100.0% | 0 |
| June 2026 | 21 | 21 | 95.2% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |