AS355
AS355 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Fort Lauderdale to Seattle. Of 314 departures recorded from October 2024 to May 2026, 71.2% left on time, according to the US BTS.
- On-time departures71.2%of 314 flights
- Average delay20.8 min
- May 202612▼ 29.4%vs May 2025
- Cancelled1.6%
- 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 | 5 | 6 | ▲ 20.0% |
| February | – | 16 | – |
| March | – | 29 | – |
| April | – | 27 | – |
| May | 17 | 12 | ▼ 29.4% |
| June | 30 | – | – |
| July | 30 | – | – |
| August | 19 | – | – |
| September | – | – | – |
| October | 3 | – | in progress |
| November | 9 | – | – |
| December | 31 | – | – |
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 | 40.0% | 83.3% | ▲ 108.3% |
| February | – | 60.0% | – |
| March | – | 79.3% | – |
| April | – | 92.6% | – |
| May | 100.0% | 83.3% | ▼ 16.7% |
| June | 80.0% | – | – |
| July | 43.3% | – | – |
| August | 31.6% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 66.7% | – | – |
| December | 90.3% | – | – |
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 | 0 | – |
| February | – | 1 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.4% 309
- Cancelled 1.6% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 12, 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 |
|---|---|---|---|---|
| FLL SEA Fort Lauderdale Hollywood International Airport – Seattle–Tacoma International Airport | 4,368 | 15.0 min | 81.5% | 109 |
| ATL SAN Hartsfield Jackson Atlanta International Airport – San Diego International Airport | 3,038 | 34.0 min | 63.0% | 85 |
| BOS SFO Boston Logan International Airport – San Francisco International Airport | 4,341 | 27.5 min | 48.5% | 68 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 19 | 79.0% | 1 |
| November 2024 | 29 | 29 | 75.9% | 0 |
| December 2024 | 31 | 28 | 42.9% | 3 |
| January 2025 | 5 | 5 | 40.0% | 0 |
| May 2025 | 17 | 17 | 100.0% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 30 | 30 | 43.3% | 0 |
| August 2025 | 19 | 19 | 31.6% | 0 |
| October 2025 | 3 | 3 | 100.0% | 0 |
| November 2025 | 9 | 9 | 66.7% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 6 | 6 | 83.3% | 0 |
| February 2026 | 16 | 15 | 60.0% | 1 |
| March 2026 | 29 | 29 | 79.3% | 0 |
| April 2026 | 27 | 27 | 92.6% | 0 |
| May 2026 | 12 | 12 | 83.3% | 0 |