AS1333
AS1333 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to Portland. Of 218 departures recorded from October 2025 to July 2026, 84.8% left on time, according to the US BTS.
- On-time departures84.8%of 218 flights
- Average delay5.9 min
- July 202630
- Cancelled0.5%
- Legs flown under this number5
Recorded departures by month
Short series — AS1333 has only 10 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 21 | – |
| February | – | 27 | – |
| March | – | 16 | – |
| April | – | 9 | – |
| May | – | 50 | – |
| June | – | 24 | – |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 20 | – | – |
| December | 15 | – | – |
according to the US BTS · October 2025 → July 2026
On-time departures by month
Short series — AS1333 has only 10 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 90.5% | – |
| February | – | 74.1% | – |
| March | – | 80.0% | – |
| April | – | 88.9% | – |
| May | – | 90.0% | – |
| June | – | 87.5% | – |
| July | – | 70.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 95.0% | – | – |
| December | 86.7% | – | – |
according to the US BTS · October 2025 → July 2026
Average departure delay by month
Short series — AS1333 has only 10 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · October 2025 → July 2026
Cancelled departures by month
Short series — AS1333 has only 10 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 1 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 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 99.5% 217
- Cancelled 0.5% 1
Share of all recorded flights in the period, all legs. · Oct 26, 2025 → 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 |
|---|---|---|---|---|
| SEA PDX Seattle–Tacoma International Airport – Portland International Airport | 208 | 4.5 min | 90.3% | 72 |
| SEA LAX Seattle–Tacoma International Airport – Los Angeles International Airport | 1,537 | 6.6 min | 81.1% | 54 |
| ANC SEA Ted Stevens Anchorage International Airport – Seattle–Tacoma International Airport | 2,326 | 11.5 min | 72.2% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 20 | 20 | 95.0% | 0 |
| December 2025 | 15 | 15 | 86.7% | 0 |
| January 2026 | 21 | 21 | 90.5% | 0 |
| February 2026 | 27 | 27 | 74.1% | 0 |
| March 2026 | 16 | 15 | 80.0% | 1 |
| April 2026 | 9 | 9 | 88.9% | 0 |
| May 2026 | 50 | 50 | 90.0% | 0 |
| June 2026 | 24 | 24 | 87.5% | 0 |
| July 2026 | 30 | 30 | 70.0% | 0 |