AS544
AS544 (Alaska Airlines) is a multi-stop service on 6 routes, busiest Ontario to Portland. Of 305 departures recorded from December 2024 to July 2026, 87.2% left on time, according to the US BTS.
- On-time departures87.2%of 305 flights
- Average delay2.7 min
- July 202628
- Cancelled0.3%
- Legs flown under this number6
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 | 2 | 31 | ▲ 1,450.0% |
| February | – | 26 | – |
| March | 13 | 28 | ▲ 115.4% |
| April | 21 | 30 | ▲ 42.9% |
| May | 17 | 12 | ▼ 29.4% |
| June | 11 | 21 | ▲ 90.9% |
| July | – | 28 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 27 | – | – |
| December | 30 | – | – |
according to the US BTS · December 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 | 50.0% | 93.6% | ▲ 87.1% |
| February | – | 96.2% | – |
| March | 100.0% | 82.1% | ▼ 17.9% |
| April | 95.2% | 89.7% | ▼ 5.9% |
| May | 76.5% | 100.0% | ▲ 30.8% |
| June | 63.6% | 81.0% | ▲ 27.2% |
| July | – | 64.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 96.3% | – | – |
| December | 90.0% | – | – |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 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 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · December 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 99.7% 304
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Dec 20, 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 |
|---|---|---|---|---|
| ONT PDX Ontario International Airport – Portland International Airport | 1,351 | -0.5 min | 92.0% | 189 |
| ANC SEA Ted Stevens Anchorage International Airport – Seattle–Tacoma International Airport | 2,326 | 15.8 min | 71.2% | 52 |
| PSP SEA Palm Springs International Airport – Seattle–Tacoma International Airport | 1,590 | -5.9 min | 97.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 2 | 2 | 50.0% | 0 |
| March 2025 | 13 | 13 | 100.0% | 0 |
| April 2025 | 21 | 21 | 95.2% | 0 |
| May 2025 | 17 | 17 | 76.5% | 0 |
| June 2025 | 11 | 11 | 63.6% | 0 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 27 | 27 | 96.3% | 0 |
| December 2025 | 30 | 30 | 90.0% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 26 | 26 | 96.2% | 0 |
| March 2026 | 28 | 28 | 82.1% | 0 |
| April 2026 | 30 | 29 | 89.7% | 1 |
| May 2026 | 12 | 12 | 100.0% | 0 |
| June 2026 | 21 | 21 | 81.0% | 0 |
| July 2026 | 28 | 28 | 64.3% | 0 |