AS498
AS498 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Portland. Of 384 departures recorded from June 2025 to July 2026, 66.6% left on time, according to the US BTS.
- On-time departures66.6%of 384 flights
- Average delay14.7 min
- July 202630▲ 0.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | – | 28 | – |
| March | – | 31 | – |
| April | – | 21 | – |
| May | – | 19 | – |
| June | 19 | 30 | ▲ 57.9% |
| July | 30 | 30 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
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 | – | 86.7% | – |
| February | – | 71.4% | – |
| March | – | 48.4% | – |
| April | – | 66.7% | – |
| May | – | 68.4% | – |
| June | 36.8% | 80.0% | ▲ 117.2% |
| July | 48.3% | 60.0% | ▲ 24.3% |
| August | 41.9% | – | – |
| September | 80.0% | – | – |
| October | 82.8% | – | in progress |
| November | 92.0% | – | – |
| December | 64.3% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
according to the US BTS · June 2025 → July 2026
Cancelled departures by month
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
according to the US BTS · June 2025 → 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 99.0% 380
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Jun 12, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA PDX Seattle–Tacoma International Airport – Portland International Airport | 208 | 14.2 min | 66.2% | 356 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 19 | 19 | 36.8% | 0 |
| July 2025 | 30 | 29 | 48.3% | 1 |
| August 2025 | 31 | 31 | 41.9% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 30 | 29 | 82.8% | 1 |
| November 2025 | 26 | 25 | 92.0% | 1 |
| December 2025 | 29 | 28 | 64.3% | 1 |
| January 2026 | 30 | 30 | 86.7% | 0 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 31 | 31 | 48.4% | 0 |
| April 2026 | 21 | 21 | 66.7% | 0 |
| May 2026 | 19 | 19 | 68.4% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 30 | 30 | 60.0% | 0 |