AS324
AS324 (Alaska Airlines) flies Portland to Chicago. Of 596 departures recorded from October 2024 to July 2026, 90.4% left on time, according to the US BTS.
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 23 | ▼ 4.2% |
| February | 24 | 25 | ▲ 4.2% |
| March | 18 | 31 | ▲ 72.2% |
| April | 9 | 30 | ▲ 233.3% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 167 | 201 | ▲ 20.4% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 87.5% | 87.0% | ▼ 0.6% |
| February | 79.2% | 88.0% | ▲ 11.2% |
| March | 88.9% | 87.1% | ▼ 2.0% |
| April | 88.9% | 93.3% | ▲ 5.0% |
| May | 96.8% | 96.8% | 0.0% |
| June | 93.3% | 89.7% | ▼ 3.9% |
| July | 93.6% | 80.7% | ▼ 13.8% |
| August | 93.6% | – | – |
| September | 96.7% | – | – |
| October | 93.6% | – | in progress |
| November | 82.1% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 89.7% | 88.9% | ▼ 0.9% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 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 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 99.5% 593
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX ORD Portland International Airport – Chicago O'Hare International Airport | 2,792 | 4.0 min | 90.4% | 596 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 24 | 24 | 87.5% | 0 |
| February 2025 | 24 | 24 | 79.2% | 0 |
| March 2025 | 18 | 18 | 88.9% | 0 |
| April 2025 | 9 | 9 | 88.9% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 28 | 82.1% | 2 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 23 | 23 | 87.0% | 0 |
| February 2026 | 25 | 25 | 88.0% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 29 | 89.7% | 1 |
| July 2026 | 31 | 31 | 80.7% | 0 |