AS1178
AS1178 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Los Angeles to Seattle. Of 319 departures recorded from October 2024 to July 2026, 94.0% left on time, according to the US BTS.
- On-time departures94.0%of 319 flights
- Average delay-2.2 min
- July 202631
- Cancelled0.3%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | – | – |
| February | 26 | – | – |
| March | 26 | – | – |
| April | 12 | – | – |
| May | 17 | 19 | ▲ 11.8% |
| June | 11 | 30 | ▲ 172.7% |
| July | – | 31 | – |
| August | 10 | – | – |
| September | 26 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.4% | – | – |
| February | 96.2% | – | – |
| March | 84.6% | – | – |
| April | 100.0% | – | – |
| May | 88.2% | 84.2% | ▼ 4.6% |
| June | 90.9% | 90.0% | ▼ 1.0% |
| July | – | 96.8% | – |
| August | 90.0% | – | – |
| September | 100.0% | – | – |
| October | 96.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 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% 318
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| LAX SEA Los Angeles International Airport – Seattle–Tacoma International Airport | 1,537 | -3.7 min | 95.0% | 239 |
| HNL KOA Daniel K. Inouye International Airport – Ellison Onizuka Kona International Airport at Keāhole | 263 | 2.2 min | 91.3% | 80 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 94.1% | 0 |
| November 2024 | 10 | 10 | 100.0% | 0 |
| December 2024 | 31 | 31 | 100.0% | 0 |
| January 2025 | 28 | 28 | 96.4% | 0 |
| February 2025 | 26 | 26 | 96.2% | 0 |
| March 2025 | 26 | 26 | 84.6% | 0 |
| April 2025 | 12 | 12 | 100.0% | 0 |
| May 2025 | 17 | 17 | 88.2% | 0 |
| June 2025 | 11 | 11 | 90.9% | 0 |
| August 2025 | 10 | 10 | 90.0% | 0 |
| September 2025 | 26 | 25 | 100.0% | 1 |
| October 2025 | 25 | 25 | 96.0% | 0 |
| May 2026 | 19 | 19 | 84.2% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |