AS335
AS335 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Chicago to Seattle. Of 467 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 467 flights
- Average delay9.4 min
- July 202631
- Cancelled0.4%
- 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 periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 25 | ▼ 19.4% |
| February | 28 | 28 | 0.0% |
| March | 30 | 19 | ▼ 36.7% |
| April | 20 | 10 | ▼ 50.0% |
| May | 17 | 27 | ▲ 58.8% |
| June | 11 | 29 | ▲ 163.6% |
| July | – | 31 | – |
| August | 12 | – | – |
| September | 30 | – | – |
| October | 9 | – | in progress |
| November | 20 | – | – |
| 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 74.2% | 96.0% | ▲ 29.4% |
| February | 67.9% | 92.9% | ▲ 36.8% |
| March | 80.0% | 89.5% | ▲ 11.8% |
| April | 75.0% | 100.0% | ▲ 33.3% |
| May | 47.1% | 77.8% | ▲ 65.3% |
| June | 63.6% | 64.3% | ▲ 1.0% |
| July | – | 74.2% | – |
| August | 75.0% | – | – |
| September | 90.0% | – | – |
| October | 62.5% | – | in progress |
| November | 70.0% | – | – |
| December | 93.8% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | 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 99.6% 465
- Cancelled 0.4% 2
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 |
|---|---|---|---|---|
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | 11.6 min | 75.8% | 211 |
| BOI SNA Boise Air Terminal/Gowen Field – John Wayne Orange County International Airport | 1,109 | 3.3 min | 92.9% | 70 |
| SEA SJC Seattle–Tacoma International Airport – Mineta San Jose International Airport | 1,122 | 10.4 min | 75.4% | 66 |
| ATL SEA Hartsfield Jackson Atlanta International Airport – Seattle–Tacoma International Airport | 3,505 | 9.9 min | 82.2% | 45 |
| SEA SAN Seattle–Tacoma International Airport – San Diego International Airport | 1,692 | 6.5 min | 80.5% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 27 | 27 | 88.9% | 0 |
| December 2024 | 28 | 28 | 85.7% | 0 |
| January 2025 | 31 | 31 | 74.2% | 0 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 30 | 30 | 80.0% | 0 |
| April 2025 | 20 | 20 | 75.0% | 0 |
| May 2025 | 17 | 17 | 47.1% | 0 |
| June 2025 | 11 | 11 | 63.6% | 0 |
| August 2025 | 12 | 12 | 75.0% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 9 | 8 | 62.5% | 1 |
| November 2025 | 20 | 20 | 70.0% | 0 |
| December 2025 | 16 | 16 | 93.8% | 0 |
| January 2026 | 25 | 25 | 96.0% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 19 | 19 | 89.5% | 0 |
| April 2026 | 10 | 10 | 100.0% | 0 |
| May 2026 | 27 | 27 | 77.8% | 0 |
| June 2026 | 29 | 28 | 64.3% | 1 |
| July 2026 | 31 | 31 | 74.2% | 0 |