AS1223
AS1223 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Los Angeles. Of 190 departures recorded from October 2024 to August 2025, 77.3% left on time, according to the US BTS.
- On-time departures77.3%of 190 flights
- Average delay12.2 min
- August 20253
- Cancelled0.5%
- Legs flown under this number2
Recorded departures by month
Short series — AS1223 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.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | – | 26 | – |
| March | – | 28 | – |
| April | – | 21 | – |
| May | – | – | – |
| June | – | 3 | – |
| July | – | 4 | – |
| August | – | 3 | – |
| September | – | – | – |
| October | 18 | – | – |
| November | 26 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → August 2025
On-time departures by month
Short series — AS1223 has only 10 months so far. Enough to show the level now, not enough to read a trend.
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 periods10 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 80.0% | – |
| February | – | 73.1% | – |
| March | – | 75.0% | – |
| April | – | 71.4% | – |
| May | – | – | – |
| June | – | 33.3% | – |
| July | – | 75.0% | – |
| August | – | 66.7% | – |
| September | – | – | – |
| October | 77.8% | – | – |
| November | 88.0% | – | – |
| December | 80.7% | – | – |
according to the US BTS · October 2024 → August 2025
Average departure delay by month
Short series — AS1223 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → August 2025
Cancelled departures by month
Short series — AS1223 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | 0 | – |
| September | – | – | – |
| October | 0 | – | – |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → August 2025
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% 189
- Cancelled 0.5% 1
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Aug 17, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA LAX Seattle–Tacoma International Airport – Los Angeles International Airport | 1,537 | 11.6 min | 78.2% | 180 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 77.8% | 0 |
| November 2024 | 26 | 25 | 88.0% | 1 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 30 | 30 | 80.0% | 0 |
| February 2025 | 26 | 26 | 73.1% | 0 |
| March 2025 | 28 | 28 | 75.0% | 0 |
| April 2025 | 21 | 21 | 71.4% | 0 |
| June 2025 | 3 | 3 | 33.3% | 0 |
| July 2025 | 4 | 4 | 75.0% | 0 |
| August 2025 | 3 | 3 | 66.7% | 0 |