AS635
AS635 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Seattle to Palm Springs. Of 181 departures recorded from April 2025 to July 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 181 flights
- Average delay5.6 min
- July 20263
- Cancelled2.2%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | – | 11 | – |
| March | – | 30 | – |
| April | 4 | 30 | ▲ 650.0% |
| May | 25 | 11 | ▼ 56.0% |
| June | 11 | 1 | ▼ 90.9% |
| July | – | 3 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 10 | – | – |
| December | 15 | – | – |
according to the US BTS · April 2025 → 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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.0% | – |
| February | – | 100.0% | – |
| March | – | 76.7% | – |
| April | 75.0% | 93.3% | ▲ 24.4% |
| May | 68.0% | 90.0% | ▲ 32.4% |
| June | 100.0% | 100.0% | 0.0% |
| July | – | 66.7% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 88.9% | – | – |
| December | 53.9% | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · April 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
according to the US BTS · April 2025 → 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 97.8% 177
- Cancelled 2.2% 4
Share of all recorded flights in the period, all legs. · Apr 24, 2025 → Jul 29, 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 |
|---|---|---|---|---|
| SEA PSP Seattle–Tacoma International Airport – Palm Springs International Airport | 1,590 | 6.4 min | 81.4% | 70 |
| SAN SMF San Diego International Airport – Sacramento International Airport | 773 | 7.7 min | 78.7% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 4 | 4 | 75.0% | 0 |
| May 2025 | 25 | 25 | 68.0% | 0 |
| June 2025 | 11 | 11 | 100.0% | 0 |
| November 2025 | 10 | 9 | 88.9% | 1 |
| December 2025 | 15 | 13 | 53.9% | 2 |
| January 2026 | 30 | 30 | 80.0% | 0 |
| February 2026 | 11 | 11 | 100.0% | 0 |
| March 2026 | 30 | 30 | 76.7% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 11 | 10 | 90.0% | 1 |
| June 2026 | 1 | 1 | 100.0% | 0 |
| July 2026 | 3 | 3 | 66.7% | 0 |