AS78
AS78 (Alaska Airlines) is a multi-stop service on 9 routes, busiest Seattle to Anchorage. Of 339 departures recorded from December 2024 to July 2026, 73.9% left on time, according to the US BTS.
- On-time departures73.9%of 339 flights
- Average delay11.9 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 25 | – |
| February | – | 28 | – |
| March | 4 | 17 | ▲ 325.0% |
| April | 9 | 9 | 0.0% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 31 | 0.0% |
| August | 27 | – | – |
| September | 22 | – | – |
| October | 1 | – | in progress |
| November | 10 | – | – |
| December | 4 | – | – |
according to the US BTS · December 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 84.0% | – |
| February | – | 67.9% | – |
| March | 100.0% | 58.8% | ▼ 41.2% |
| April | 100.0% | 88.9% | ▼ 11.1% |
| May | 86.7% | 80.7% | ▼ 6.9% |
| June | 73.3% | 75.9% | ▲ 3.5% |
| July | 62.1% | 74.2% | ▲ 19.5% |
| August | 44.4% | – | – |
| September | 72.7% | – | – |
| October | 0.0% | – | in progress |
| November | 100.0% | – | – |
| December | 75.0% | – | – |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · December 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 99.4% 337
- Cancelled 0.6% 2
Share of all recorded flights in the period, all legs. · Dec 2, 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 |
|---|---|---|---|---|
| SEA ANC Seattle–Tacoma International Airport – Ted Stevens Anchorage International Airport | 2,326 | 15.1 min | 71.2% | 252 |
| PIT SEA Pittsburgh International Airport – Seattle–Tacoma International Airport | 3,411 | 6.0 min | 76.5% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 1 | 1 | 100.0% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 9 | 9 | 100.0% | 0 |
| May 2025 | 30 | 30 | 86.7% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 31 | 29 | 62.1% | 2 |
| August 2025 | 27 | 27 | 44.4% | 0 |
| September 2025 | 22 | 22 | 72.7% | 0 |
| October 2025 | 1 | 1 | 0.0% | 0 |
| November 2025 | 10 | 10 | 100.0% | 0 |
| December 2025 | 4 | 4 | 75.0% | 0 |
| January 2026 | 25 | 25 | 84.0% | 0 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 17 | 17 | 58.8% | 0 |
| April 2026 | 9 | 9 | 88.9% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 29 | 29 | 75.9% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |