AS611
AS611 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Phoenix to Seattle. Of 497 departures recorded from October 2024 to July 2026, 80.1% left on time, according to the US BTS.
- On-time departures80.1%of 497 flights
- Average delay8.9 min
- July 202630▲ 0.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number3
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 | 5 | 23 | ▲ 360.0% |
| February | – | 26 | – |
| March | 1 | 31 | ▲ 3,000.0% |
| April | 9 | 30 | ▲ 233.3% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 30 | 30 | 0.0% |
| August | 28 | – | – |
| September | 21 | – | – |
| October | 26 | – | in progress |
| November | 26 | – | – |
| December | 23 | – | – |
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 | 80.0% | 78.3% | ▼ 2.2% |
| February | – | 80.8% | – |
| March | 100.0% | 96.8% | ▼ 3.2% |
| April | 77.8% | 73.3% | ▼ 5.7% |
| May | 77.4% | 77.4% | 0.0% |
| June | 65.5% | 90.0% | ▲ 37.4% |
| July | 56.7% | 66.7% | ▲ 17.6% |
| August | 74.1% | – | – |
| September | 66.7% | – | – |
| October | 80.0% | – | in progress |
| November | 84.6% | – | – |
| December | 95.5% | – | – |
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 | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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% 493
- Cancelled 0.8% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX SEA Phoenix Sky Harbor International Airport – Seattle–Tacoma International Airport | 1,782 | 9.1 min | 80.0% | 468 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 100.0% | 0 |
| November 2024 | 21 | 21 | 100.0% | 0 |
| December 2024 | 27 | 27 | 92.6% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 9 | 9 | 77.8% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 30 | 29 | 65.5% | 1 |
| July 2025 | 30 | 30 | 56.7% | 0 |
| August 2025 | 28 | 27 | 74.1% | 1 |
| September 2025 | 21 | 21 | 66.7% | 0 |
| October 2025 | 26 | 25 | 80.0% | 1 |
| November 2025 | 26 | 26 | 84.6% | 0 |
| December 2025 | 23 | 22 | 95.5% | 1 |
| January 2026 | 23 | 23 | 78.3% | 0 |
| February 2026 | 26 | 26 | 80.8% | 0 |
| March 2026 | 31 | 31 | 96.8% | 0 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 30 | 30 | 66.7% | 0 |