AS1421
AS1421 (Alaska Airlines) flies Houston to Portland. Of 430 departures recorded from May 2025 to July 2026, 74.4% left on time, according to the US BTS.
- On-time departures74.4%of 430 flights
- Average delay14.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.9%
according to the US BTS · May 15, 2025 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 15 of 15 periods have data
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 27 | – |
| February | – | 24 | – |
| March | – | 28 | – |
| April | – | 30 | – |
| May | 17 | 31 | ▲ 82.4% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 30 | – | – |
according to the US BTS · May 2025 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 15 of 15 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.8% | – |
| February | – | 79.2% | – |
| March | – | 71.4% | – |
| April | – | 86.2% | – |
| May | 88.2% | 58.1% | ▼ 34.2% |
| June | 63.3% | 60.0% | ▼ 5.3% |
| July | 83.9% | 54.8% | ▼ 34.6% |
| August | 83.3% | – | – |
| September | 86.7% | – | – |
| October | 66.7% | – | in progress |
| November | 79.3% | – | – |
| December | 83.3% | – | – |
according to the US BTS · May 2025 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 15 of 15 periods have data
according to the US BTS · May 2025 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 15 of 15 periods have data
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · May 2025 → 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 99.1% 426
- Cancelled 0.9% 4
Share of all recorded flights in the period, all legs. · May 15, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH PDX George Bush Intercontinental Airport – Portland International Airport | 2,934 | 14.0 min | 74.4% | 430 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| May 2025 | 17 | 17 | 88.2% | 0 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 30 | 83.3% | 1 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 30 | 66.7% | 1 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 30 | 30 | 83.3% | 0 |
| January 2026 | 27 | 26 | 80.8% | 1 |
| February 2026 | 24 | 24 | 79.2% | 0 |
| March 2026 | 28 | 28 | 71.4% | 0 |
| April 2026 | 30 | 29 | 86.2% | 1 |
| May 2026 | 31 | 31 | 58.1% | 0 |
| June 2026 | 30 | 30 | 60.0% | 0 |
| July 2026 | 31 | 31 | 54.8% | 0 |