AS408
AS408 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Seattle to Chicago. Of 499 departures recorded from October 2024 to July 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 499 flights
- Average delay8.4 min
- July 202611▼ 64.5%vs July 2025
- Cancelled0.6%
- 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 | 27 | ▼ 12.9% |
| February | 28 | 23 | ▼ 17.9% |
| March | 27 | 28 | ▲ 3.7% |
| April | 25 | 30 | ▲ 20.0% |
| May | 29 | 12 | ▼ 58.6% |
| June | 30 | 12 | ▼ 60.0% |
| July | 31 | 11 | ▼ 64.5% |
| August | 19 | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 201 | 143 | ▼ 28.9% |
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 | 83.9% | 63.0% | ▼ 24.9% |
| February | 85.2% | 78.3% | ▼ 8.1% |
| March | 85.2% | 88.9% | ▲ 4.3% |
| April | 80.0% | 80.0% | 0.0% |
| May | 58.6% | 66.7% | ▲ 13.7% |
| June | 93.3% | 75.0% | ▼ 19.6% |
| July | 93.6% | 72.7% | ▼ 22.3% |
| August | 94.4% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 93.1% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 82.8% | 74.9% | ▼ 9.5% |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.4% 496
- Cancelled 0.6% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 30, 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 ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 5.7 min | 88.3% | 242 |
| FAT SEA Fresno Yosemite International Airport – Seattle–Tacoma International Airport | 1,206 | 10.2 min | 78.9% | 186 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 21 | 21 | 90.5% | 0 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 28 | 27 | 85.2% | 1 |
| March 2025 | 27 | 27 | 85.2% | 0 |
| April 2025 | 25 | 25 | 80.0% | 0 |
| May 2025 | 29 | 29 | 58.6% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 19 | 18 | 94.4% | 1 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 29 | 29 | 93.1% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 27 | 27 | 63.0% | 0 |
| February 2026 | 23 | 23 | 78.3% | 0 |
| March 2026 | 28 | 27 | 88.9% | 1 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 12 | 12 | 66.7% | 0 |
| June 2026 | 12 | 12 | 75.0% | 0 |
| July 2026 | 11 | 11 | 72.7% | 0 |