AS524
AS524 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Seattle to Los Angeles. Of 425 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 425 flights
- Average delay7.6 min
- July 202629
- Cancelled0.2%
- Legs flown under this number7
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 | – | 31 | – |
| February | 10 | 28 | ▲ 180.0% |
| March | 21 | 31 | ▲ 47.6% |
| April | 26 | 29 | ▲ 11.5% |
| May | 29 | 28 | ▼ 3.4% |
| June | 11 | 28 | ▲ 154.5% |
| July | – | 29 | – |
| August | – | – | – |
| September | – | – | – |
| October | 25 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
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 | – | 90.3% | – |
| February | 60.0% | 82.1% | ▲ 36.9% |
| March | 81.0% | 80.0% | ▼ 1.2% |
| April | 92.3% | 86.2% | ▼ 6.6% |
| May | 72.4% | 64.3% | ▼ 11.2% |
| June | 45.5% | 75.0% | ▲ 65.0% |
| July | – | 72.4% | – |
| August | – | – | – |
| September | – | – | – |
| October | 76.0% | – | in progress |
| November | 85.7% | – | – |
| December | 71.0% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| 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 99.8% 424
- Cancelled 0.2% 1
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA LAX Seattle–Tacoma International Airport – Los Angeles International Airport | 1,537 | 6.8 min | 80.7% | 249 |
| LAX PDX Los Angeles International Airport – Portland International Airport | 1,343 | -2.2 min | 93.9% | 49 |
| SEA DEN Seattle–Tacoma International Airport – Denver International Airport | 1,645 | 20.2 min | 56.3% | 48 |
| PDX SJC Portland International Airport – Mineta San Jose International Airport | 916 | -2.0 min | 92.5% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 100.0% | 0 |
| November 2024 | 21 | 21 | 85.7% | 0 |
| February 2025 | 10 | 10 | 60.0% | 0 |
| March 2025 | 21 | 21 | 81.0% | 0 |
| April 2025 | 26 | 26 | 92.3% | 0 |
| May 2025 | 29 | 29 | 72.4% | 0 |
| June 2025 | 11 | 11 | 45.5% | 0 |
| October 2025 | 25 | 25 | 76.0% | 0 |
| November 2025 | 28 | 28 | 85.7% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 31 | 30 | 80.0% | 1 |
| April 2026 | 29 | 29 | 86.2% | 0 |
| May 2026 | 28 | 28 | 64.3% | 0 |
| June 2026 | 28 | 28 | 75.0% | 0 |
| July 2026 | 29 | 29 | 72.4% | 0 |