AS328
AS328 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to Chicago. Of 507 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 507 flights
- Average delay5.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 30 | ▲ 900.0% |
| February | 1 | 28 | ▲ 2,700.0% |
| March | 11 | 29 | ▲ 163.6% |
| April | 26 | 27 | ▲ 3.8% |
| May | 29 | 31 | ▲ 6.9% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 31 | 0.0% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 6 | – | in progress |
| November | 19 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 131 | 205 | ▲ 56.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 66.7% | 89.7% | ▲ 34.5% |
| February | 100.0% | 96.4% | ▼ 3.6% |
| March | 90.9% | 93.1% | ▲ 2.4% |
| April | 100.0% | 96.3% | ▼ 3.7% |
| May | 86.2% | 93.6% | ▲ 8.5% |
| June | 80.0% | 79.3% | ▼ 0.9% |
| July | 66.7% | 66.7% | 0.0% |
| August | 89.7% | – | – |
| September | 90.0% | – | – |
| October | 66.7% | – | in progress |
| November | 89.5% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 84.4% | 87.9% | ▲ 4.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.2% 503
- Cancelled 0.8% 4
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 6.0 min | 84.9% | 420 |
| FAI SEA Fairbanks International Airport – Seattle–Tacoma International Airport | 2,462 | -2.8 min | 94.3% | 36 |
| BZN SEA Bozeman Yellowstone International Airport – Seattle–Tacoma International Airport | 871 | 8.8 min | 94.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 94.4% | 0 |
| November 2024 | 20 | 20 | 95.0% | 0 |
| December 2024 | 20 | 20 | 80.0% | 0 |
| January 2025 | 3 | 3 | 66.7% | 0 |
| February 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 11 | 11 | 90.9% | 0 |
| April 2025 | 26 | 26 | 100.0% | 0 |
| May 2025 | 29 | 29 | 86.2% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 30 | 66.7% | 1 |
| August 2025 | 29 | 29 | 89.7% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 6 | 6 | 66.7% | 0 |
| November 2025 | 19 | 19 | 89.5% | 0 |
| December 2025 | 29 | 28 | 71.4% | 1 |
| January 2026 | 30 | 29 | 89.7% | 1 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 29 | 29 | 93.1% | 0 |
| April 2026 | 27 | 27 | 96.3% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 29 | 29 | 79.3% | 0 |
| July 2026 | 31 | 30 | 66.7% | 1 |