AS661
AS661 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Seattle to Anchorage. Of 79 departures recorded from June 2025 to July 2026, 69.6% left on time, according to the US BTS.
- On-time departures69.6%of 79 flights
- Average delay12.0 min
- July 202631
- Cancelled0.0%
- Legs flown under this number3
Recorded departures by month
Short series — AS661 has only 5 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 periods5 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | 1 | 21 | ▲ 2,000.0% |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 20 | – | – |
| December | – | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
Short series — AS661 has only 5 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 periods5 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | 100.0% | 66.7% | ▼ 33.3% |
| July | – | 61.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | 83.3% | – | in progress |
| November | 80.0% | – | – |
| December | – | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
Short series — AS661 has only 5 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 · June 2025 → July 2026
Cancelled departures by month
Short series — AS661 has only 5 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods5 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · June 2025 → 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 100.0% 79
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Jun 12, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA ANC Seattle–Tacoma International Airport – Ted Stevens Anchorage International Airport | 2,326 | 15.8 min | 63.5% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 20 | 20 | 80.0% | 0 |
| June 2026 | 21 | 21 | 66.7% | 0 |
| July 2026 | 31 | 31 | 61.3% | 0 |