AS135
AS135 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Portland to Los Angeles. Of 253 departures recorded from October 2024 to April 2026, 79.9% left on time, according to the US BTS.
- On-time departures79.9%of 253 flights
- Average delay4.7 min
- April 20263▼ 85.7%vs April 2025
- Cancelled1.6%
- Legs flown under this number8
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 | 19 | 5 | ▼ 73.7% |
| February | 16 | 18 | ▲ 12.5% |
| March | 18 | 17 | ▼ 5.6% |
| April | 21 | 3 | ▼ 85.7% |
| May | 31 | – | – |
| June | 11 | – | – |
| July | – | – | – |
| August | 1 | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | 9 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Apr) | 74 | 43 | ▼ 41.9% |
according to the US BTS · October 2024 → April 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 | 84.2% | 75.0% | ▼ 10.9% |
| February | 93.3% | 83.3% | ▼ 10.7% |
| March | 83.3% | 64.7% | ▼ 22.3% |
| April | 81.0% | 100.0% | ▲ 23.5% |
| May | 74.2% | – | – |
| June | 54.6% | – | – |
| July | – | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 85.0% | – | in progress |
| November | 100.0% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Apr) | 85.5% | 80.8% | ▼ 5.5% |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → April 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 | 1 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 2 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Apr) | 1 | 1 | 0.0% |
according to the US BTS · October 2024 → April 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 98.4% 249
- Cancelled 1.6% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Apr 15, 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 | 1.7 min | 84.2% | 140 |
| SEA DFW Seattle–Tacoma International Airport – Dallas Fort Worth International Airport | 2,668 | 5.5 min | 78.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 60.0% | 0 |
| November 2024 | 19 | 19 | 84.2% | 0 |
| December 2024 | 27 | 27 | 77.8% | 0 |
| January 2025 | 19 | 19 | 84.2% | 0 |
| February 2025 | 16 | 15 | 93.3% | 1 |
| March 2025 | 18 | 18 | 83.3% | 0 |
| April 2025 | 21 | 21 | 81.0% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 11 | 11 | 54.6% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 22 | 20 | 85.0% | 2 |
| November 2025 | 9 | 9 | 100.0% | 0 |
| December 2025 | 11 | 11 | 81.8% | 0 |
| January 2026 | 5 | 4 | 75.0% | 1 |
| February 2026 | 18 | 18 | 83.3% | 0 |
| March 2026 | 17 | 17 | 64.7% | 0 |
| April 2026 | 3 | 3 | 100.0% | 0 |