AS363
AS363 (Alaska Airlines) is a multi-stop service on 11 routes, busiest Seattle to Miami. Of 426 departures recorded from October 2024 to July 2026, 82.1% left on time, according to the US BTS.
- On-time departures82.1%of 426 flights
- Average delay7.6 min
- July 202622
- Cancelled1.4%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 17 | – |
| March | 1 | 31 | ▲ 3,000.0% |
| April | – | 30 | – |
| May | 17 | 30 | ▲ 76.5% |
| June | 11 | 24 | ▲ 118.2% |
| July | – | 22 | – |
| August | 48 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 40 | – | – |
| December | 2 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 100.0% | – |
| February | – | 88.2% | – |
| March | 100.0% | 93.3% | ▼ 6.7% |
| April | – | 86.7% | – |
| May | 64.7% | 83.3% | ▲ 28.8% |
| June | 45.5% | 73.9% | ▲ 62.6% |
| July | – | 86.4% | – |
| August | 71.7% | – | – |
| September | 88.3% | – | – |
| October | 88.3% | – | in progress |
| November | 87.5% | – | – |
| December | 100.0% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | – | 0 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 2 | – | 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 98.6% 420
- Cancelled 1.4% 6
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA MIA Seattle–Tacoma International Airport – Miami International Airport | 4,379 | 1.7 min | 91.3% | 105 |
| MIA SEA Miami International Airport – Seattle–Tacoma International Airport | 4,379 | 8.2 min | 77.7% | 105 |
| PDX MSY Portland International Airport – Louis Armstrong New Orleans International Airport | 3,295 | 4.4 min | 89.8% | 89 |
| IND SEA Indianapolis International Airport – Seattle–Tacoma International Airport | 2,996 | 12.8 min | 71.4% | 42 |
| ANC SEA Ted Stevens Anchorage International Airport – Seattle–Tacoma International Airport | 2,326 | 2.0 min | 88.9% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| December 2024 | 16 | 16 | 43.8% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 17 | 17 | 64.7% | 0 |
| June 2025 | 11 | 11 | 45.5% | 0 |
| August 2025 | 48 | 46 | 71.7% | 2 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 62 | 60 | 88.3% | 2 |
| November 2025 | 40 | 40 | 87.5% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 17 | 17 | 88.2% | 0 |
| March 2026 | 31 | 30 | 93.3% | 1 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 30 | 30 | 83.3% | 0 |
| June 2026 | 24 | 23 | 73.9% | 1 |
| July 2026 | 22 | 22 | 86.4% | 0 |