AS359
AS359 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Tampa to Seattle. Of 266 departures recorded from October 2024 to May 2026, 78.3% left on time, according to the US BTS.
- On-time departures78.3%of 266 flights
- Average delay8.7 min
- May 202612▼ 58.6%vs May 2025
- Cancelled1.1%
- Legs flown under this number8
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 14 | ▼ 48.1% |
| February | 28 | 20 | ▼ 28.6% |
| March | 29 | 29 | 0.0% |
| April | 27 | 29 | ▲ 7.4% |
| May | 29 | 12 | ▼ 58.6% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 16 | – | – |
| Year to date (Jan–May) | 140 | 104 | ▼ 25.7% |
according to the US BTS · October 2024 → May 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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 74.1% | 61.5% | ▼ 16.9% |
| February | 85.7% | 90.0% | ▲ 5.0% |
| March | 74.1% | 69.0% | ▼ 6.9% |
| April | 85.2% | 89.7% | ▲ 5.2% |
| May | 69.0% | 75.0% | ▲ 8.7% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 81.3% | – | – |
| Year-to-date average (Jan–May) | 77.6% | 77.0% | ▼ 0.7% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–May) | 2 | 1 | ▼ 50.0% |
according to the US BTS · October 2024 → May 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 98.9% 263
- Cancelled 1.1% 3
Share of all recorded flights in the period, all legs. · Oct 26, 2024 → May 12, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA SEA Tampa International Airport – Seattle–Tacoma International Airport | 4,051 | 7.5 min | 77.4% | 139 |
| SEA GEG Seattle–Tacoma International Airport – Spokane International Airport | 359 | 8.6 min | 77.4% | 85 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 1 | 1 | 100.0% | 0 |
| December 2024 | 2 | 2 | 50.0% | 0 |
| January 2025 | 27 | 27 | 74.1% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 29 | 27 | 74.1% | 2 |
| April 2025 | 27 | 27 | 85.2% | 0 |
| May 2025 | 29 | 29 | 69.0% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 16 | 16 | 81.3% | 0 |
| January 2026 | 14 | 13 | 61.5% | 1 |
| February 2026 | 20 | 20 | 90.0% | 0 |
| March 2026 | 29 | 29 | 69.0% | 0 |
| April 2026 | 29 | 29 | 89.7% | 0 |
| May 2026 | 12 | 12 | 75.0% | 0 |