AS628
AS628 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Seattle to Salt Lake City. Of 288 departures recorded from October 2024 to July 2026, 71.2% left on time, according to the US BTS.
- On-time departures71.2%of 288 flights
- Average delay14.2 min
- July 202630
- Cancelled1.0%
- 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 periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 25 | ▼ 3.8% |
| February | 22 | 11 | ▼ 50.0% |
| March | 11 | 11 | 0.0% |
| April | 4 | 16 | ▲ 300.0% |
| May | 14 | 19 | ▲ 35.7% |
| June | 10 | 30 | ▲ 200.0% |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | – | – | – |
| December | 16 | – | – |
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 | 65.4% | 96.0% | ▲ 46.8% |
| February | 85.7% | 100.0% | ▲ 16.7% |
| March | 63.6% | 90.9% | ▲ 42.9% |
| April | 75.0% | 87.5% | ▲ 16.7% |
| May | 78.6% | 94.7% | ▲ 20.6% |
| June | 70.0% | 50.0% | ▼ 28.6% |
| July | – | 23.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | 76.2% | – | in progress |
| November | – | – | – |
| December | 75.0% | – | – |
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 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| 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 99.0% 285
- Cancelled 1.0% 3
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| SEA SLC Seattle–Tacoma International Airport – Salt Lake City International Airport | 1,107 | 12.5 min | 71.4% | 107 |
| SAN SMF San Diego International Airport – Sacramento International Airport | 773 | 3.2 min | 90.4% | 52 |
| SEA SFO Seattle–Tacoma International Airport – San Francisco International Airport | 1,093 | 43.0 min | 27.5% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 9 | 44.4% | 1 |
| November 2024 | 11 | 11 | 81.8% | 0 |
| January 2025 | 26 | 26 | 65.4% | 0 |
| February 2025 | 22 | 21 | 85.7% | 1 |
| March 2025 | 11 | 11 | 63.6% | 0 |
| April 2025 | 4 | 4 | 75.0% | 0 |
| May 2025 | 14 | 14 | 78.6% | 0 |
| June 2025 | 10 | 10 | 70.0% | 0 |
| October 2025 | 22 | 21 | 76.2% | 1 |
| December 2025 | 16 | 16 | 75.0% | 0 |
| January 2026 | 25 | 25 | 96.0% | 0 |
| February 2026 | 11 | 11 | 100.0% | 0 |
| March 2026 | 11 | 11 | 90.9% | 0 |
| April 2026 | 16 | 16 | 87.5% | 0 |
| May 2026 | 19 | 19 | 94.7% | 0 |
| June 2026 | 30 | 30 | 50.0% | 0 |
| July 2026 | 30 | 30 | 23.3% | 0 |