AS511
AS511 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Phoenix to Portland. Of 521 departures recorded from December 2024 to July 2026, 87.3% left on time, according to the US BTS.
- On-time departures87.3%of 521 flights
- Average delay3.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number7
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 | 26 | 31 | ▲ 19.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 9 | ▼ 71.0% |
| April | 30 | 13 | ▼ 56.7% |
| May | 30 | 20 | ▼ 33.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 206 | 162 | ▼ 21.4% |
according to the US BTS · December 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 | 84.6% | 83.9% | ▼ 0.9% |
| February | 85.7% | 82.1% | ▼ 4.2% |
| March | 87.1% | 100.0% | ▲ 14.8% |
| April | 86.7% | 53.9% | ▼ 37.9% |
| May | 90.0% | 95.0% | ▲ 5.6% |
| June | 93.3% | 93.3% | 0.0% |
| July | 90.3% | 77.4% | ▼ 14.3% |
| August | 90.3% | – | – |
| September | 93.3% | – | – |
| October | 93.6% | – | in progress |
| November | 80.0% | – | – |
| December | 90.0% | – | – |
| Year-to-date average (Jan–Jul) | 88.3% | 83.7% | ▼ 5.2% |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
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 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 0 |
according to the US BTS · December 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 100.0% 521
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Dec 1, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX PDX Phoenix Sky Harbor International Airport – Portland International Airport | 1,625 | 1.9 min | 88.6% | 482 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 26 | 26 | 84.6% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 30 | 30 | 90.0% | 0 |
| January 2026 | 31 | 31 | 83.9% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 9 | 9 | 100.0% | 0 |
| April 2026 | 13 | 13 | 53.9% | 0 |
| May 2026 | 20 | 20 | 95.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 77.4% | 0 |