AS366
AS366 (Alaska Airlines) is a multi-stop service on 6 routes, busiest Seattle to Milwaukee. Of 666 departures recorded from October 2024 to July 2026, 81.8% left on time, according to the US BTS.
- On-time departures81.8%of 666 flights
- Average delay5.1 min
- July 202628▼ 54.1%vs July 2025
- Cancelled0.5%
- Legs flown under this number6
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 | 5 | 6 | ▲ 20.0% |
| February | – | 17 | – |
| March | – | 17 | – |
| April | 18 | 5 | ▼ 72.2% |
| May | 45 | 26 | ▼ 42.2% |
| June | 48 | 30 | ▼ 37.5% |
| July | 61 | 28 | ▼ 54.1% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 47 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 60.0% | 50.0% | ▼ 16.7% |
| February | – | 94.1% | – |
| March | – | 87.5% | – |
| April | 77.8% | 100.0% | ▲ 28.6% |
| May | 91.1% | 65.4% | ▼ 28.2% |
| June | 79.2% | 83.3% | ▲ 5.3% |
| July | 85.3% | 67.9% | ▼ 20.4% |
| August | 83.9% | – | – |
| September | 80.0% | – | – |
| October | 87.1% | – | in progress |
| November | 83.3% | – | – |
| December | 76.6% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | – | 0 | – |
| March | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
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 99.5% 663
- Cancelled 0.5% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA MKE Seattle–Tacoma International Airport – General Mitchell International Airport | 2,719 | -0.1 min | 89.6% | 212 |
| MKE SEA General Mitchell International Airport – Seattle–Tacoma International Airport | 2,719 | 6.4 min | 77.7% | 211 |
| LAS PAE Harry Reid International Airport – Seattle Paine Field International Airport | 1,439 | 10.6 min | 75.7% | 114 |
| SEA MCO Seattle–Tacoma International Airport – Orlando International Airport | 4,105 | 10.9 min | 79.7% | 74 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 94.4% | 0 |
| November 2024 | 21 | 21 | 90.5% | 0 |
| December 2024 | 30 | 30 | 66.7% | 0 |
| January 2025 | 5 | 5 | 60.0% | 0 |
| April 2025 | 18 | 18 | 77.8% | 0 |
| May 2025 | 45 | 45 | 91.1% | 0 |
| June 2025 | 48 | 48 | 79.2% | 0 |
| July 2025 | 61 | 61 | 85.3% | 0 |
| August 2025 | 62 | 62 | 83.9% | 0 |
| September 2025 | 60 | 60 | 80.0% | 0 |
| October 2025 | 62 | 62 | 87.1% | 0 |
| November 2025 | 60 | 60 | 83.3% | 0 |
| December 2025 | 47 | 47 | 76.6% | 0 |
| January 2026 | 6 | 4 | 50.0% | 2 |
| February 2026 | 17 | 17 | 94.1% | 0 |
| March 2026 | 17 | 16 | 87.5% | 1 |
| April 2026 | 5 | 5 | 100.0% | 0 |
| May 2026 | 26 | 26 | 65.4% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 28 | 28 | 67.9% | 0 |