AS1142
AS1142 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to San Diego. Of 186 departures recorded from October 2024 to April 2026, 80.7% left on time, according to the US BTS.
- On-time departures80.7%of 186 flights
- Average delay4.9 min
- April 20263▲ 200.0%vs April 2025
- Cancelled0.0%
- Legs flown under this number5
Recorded departures by month
Short series — AS1142 has only 11 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 periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | – | – |
| February | 26 | – | – |
| March | 17 | – | – |
| April | 1 | 3 | ▲ 200.0% |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 11 | – | – |
| September | 30 | – | – |
| October | 3 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → April 2026
On-time departures by month
Short series — AS1142 has only 11 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 periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 74.1% | – | – |
| February | 80.8% | – | – |
| March | 82.4% | – | – |
| April | 0.0% | 33.3% | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 100.0% | – | – |
| September | 96.7% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
Short series — AS1142 has only 11 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 → April 2026
Cancelled departures by month
Short series — AS1142 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 100.0% 186
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Apr 22, 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 |
|---|---|---|---|---|
| SEA SAN Seattle–Tacoma International Airport – San Diego International Airport | 1,692 | 7.5 min | 76.8% | 138 |
| STS SEA Charles M. Schulz Sonoma County Airport – Seattle–Tacoma International Airport | 995 | -6.0 min | 97.7% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 27 | 27 | 70.4% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 27 | 27 | 74.1% | 0 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 17 | 17 | 82.4% | 0 |
| April 2025 | 1 | 1 | 0.0% | 0 |
| August 2025 | 11 | 11 | 100.0% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 3 | 3 | 100.0% | 0 |
| April 2026 | 3 | 3 | 33.3% | 0 |