AS381
AS381 (Alaska Airlines) is a multi-stop service on 14 routes, busiest Detroit to Seattle. Of 395 departures recorded from October 2024 to July 2026, 79.2% left on time, according to the US BTS.
- On-time departures79.2%of 395 flights
- Average delay8.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.3%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 30 | ▲ 2,900.0% |
| February | 1 | 11 | ▲ 1,000.0% |
| March | 1 | 12 | ▲ 1,100.0% |
| April | 8 | 24 | ▲ 200.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 4 | – | in progress |
| November | 10 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 103 | 169 | ▲ 64.1% |
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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 80.0% | ▼ 20.0% |
| February | 100.0% | 100.0% | 0.0% |
| March | 0.0% | 100.0% | – |
| April | 87.5% | 95.8% | ▲ 9.5% |
| May | 80.7% | 77.4% | ▼ 4.0% |
| June | 76.7% | 66.7% | ▼ 13.0% |
| July | 63.3% | 80.7% | ▲ 27.3% |
| August | 64.5% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | 90.0% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 72.6% | 85.8% | ▲ 18.2% |
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 periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.7% 394
- 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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW SEA Detroit Metropolitan Wayne County Airport – Seattle–Tacoma International Airport | 3,093 | 9.9 min | 74.6% | 186 |
| SEA MCO Seattle–Tacoma International Airport – Orlando International Airport | 4,105 | 3.8 min | 84.6% | 52 |
| DEN SEA Denver International Airport – Seattle–Tacoma International Airport | 1,645 | 8.2 min | 76.9% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 100.0% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 1 | 1 | 0.0% | 0 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 30 | 63.3% | 1 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 10 | 10 | 90.0% | 0 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 30 | 30 | 80.0% | 0 |
| February 2026 | 11 | 11 | 100.0% | 0 |
| March 2026 | 12 | 12 | 100.0% | 0 |
| April 2026 | 24 | 24 | 95.8% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 66.7% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |