AS104
AS104 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Anchorage to Seattle. Of 336 departures recorded from April 2025 to April 2026, 84.3% left on time, according to the US BTS.
- On-time departures84.3%of 336 flights
- Average delay7.5 min
- April 202618▲ 100.0%vs April 2025
- Cancelled1.5%
- Legs flown under this number3
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 | – | 24 | – |
| February | – | 28 | – |
| March | – | 29 | – |
| April | 9 | 18 | ▲ 100.0% |
| May | 48 | – | – |
| June | 41 | – | – |
| July | 31 | – | – |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 21 | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → April 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 | – | 83.3% | – |
| February | – | 89.3% | – |
| March | – | 78.6% | – |
| April | 88.9% | 94.4% | ▲ 6.2% |
| May | 87.5% | – | – |
| June | 56.4% | – | – |
| July | 75.9% | – | – |
| August | 90.0% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | 90.5% | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → April 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · April 2025 → April 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 | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 2 | – | – |
| July | 2 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → 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 98.5% 331
- Cancelled 1.5% 5
Share of all recorded flights in the period, all legs. · Apr 22, 2025 → Apr 21, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ANC SEA Ted Stevens Anchorage International Airport – Seattle–Tacoma International Airport | 2,326 | 7.2 min | 88.4% | 280 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 9 | 9 | 88.9% | 0 |
| May 2025 | 48 | 48 | 87.5% | 0 |
| June 2025 | 41 | 39 | 56.4% | 2 |
| July 2025 | 31 | 29 | 75.9% | 2 |
| August 2025 | 30 | 30 | 90.0% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 27 | 27 | 100.0% | 0 |
| November 2025 | 21 | 21 | 90.5% | 0 |
| January 2026 | 24 | 24 | 83.3% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 29 | 28 | 78.6% | 1 |
| April 2026 | 18 | 18 | 94.4% | 0 |