AS571
AS571 (Alaska Airlines) is a multi-stop service on 7 routes, busiest San Francisco to Las Vegas. Of 262 departures recorded from November 2024 to July 2026, 72.4% left on time, according to the US BTS.
- On-time departures72.4%of 262 flights
- Average delay13.7 min
- July 202627▼ 12.9%vs July 2025
- Cancelled0.4%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 6 | – |
| February | – | 17 | – |
| March | – | 30 | – |
| April | 9 | 21 | ▲ 133.3% |
| May | 14 | 1 | ▼ 92.9% |
| June | 19 | 18 | ▼ 5.3% |
| July | 31 | 27 | ▼ 12.9% |
| August | 19 | – | – |
| September | – | – | – |
| October | 7 | – | in progress |
| November | 28 | – | – |
| December | 14 | – | – |
according to the US BTS · November 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 33.3% | – |
| February | – | 76.5% | – |
| March | – | 56.7% | – |
| April | 88.9% | 52.4% | ▼ 41.1% |
| May | 92.9% | 0.0% | ▼ 100.0% |
| June | 68.4% | 50.0% | ▼ 26.9% |
| July | 77.4% | 76.9% | ▼ 0.6% |
| August | 89.5% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 92.9% | – | – |
| December | 57.1% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 99.6% 261
- Cancelled 0.4% 1
Share of all recorded flights in the period, all legs. · Nov 25, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 16.3 min | 70.4% | 179 |
| SEA ONT Seattle–Tacoma International Airport – Ontario International Airport | 1,540 | 13.1 min | 65.9% | 45 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 1 | 1 | 100.0% | 0 |
| April 2025 | 9 | 9 | 88.9% | 0 |
| May 2025 | 14 | 14 | 92.9% | 0 |
| June 2025 | 19 | 19 | 68.4% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 19 | 19 | 89.5% | 0 |
| October 2025 | 7 | 7 | 100.0% | 0 |
| November 2025 | 28 | 28 | 92.9% | 0 |
| December 2025 | 14 | 14 | 57.1% | 0 |
| January 2026 | 6 | 6 | 33.3% | 0 |
| February 2026 | 17 | 17 | 76.5% | 0 |
| March 2026 | 30 | 30 | 56.7% | 0 |
| April 2026 | 21 | 21 | 52.4% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 18 | 18 | 50.0% | 0 |
| July 2026 | 27 | 26 | 76.9% | 1 |