AS636
AS636 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Seattle to Las Vegas. Of 268 departures recorded from October 2024 to July 2026, 68.1% left on time, according to the US BTS.
- On-time departures68.1%of 268 flights
- Average delay13.8 min
- July 20267▼ 56.3%vs July 2025
- Cancelled1.9%
- 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 periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 24 | ▲ 500.0% |
| February | – | 20 | – |
| March | – | 20 | – |
| April | 4 | 17 | ▲ 325.0% |
| May | 8 | 19 | ▲ 137.5% |
| June | 12 | 15 | ▲ 25.0% |
| July | 16 | 7 | ▼ 56.3% |
| August | 11 | – | – |
| September | – | – | – |
| October | 10 | – | in progress |
| November | 9 | – | – |
| December | 14 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 87.5% | ▼ 12.5% |
| February | – | 85.0% | – |
| March | – | 40.0% | – |
| April | 50.0% | 58.8% | ▲ 17.6% |
| May | 62.5% | 68.4% | ▲ 9.5% |
| June | 50.0% | 73.3% | ▲ 46.7% |
| July | 40.0% | 57.1% | ▲ 42.9% |
| August | 36.4% | – | – |
| September | – | – | – |
| October | 77.8% | – | in progress |
| November | 88.9% | – | – |
| December | 91.7% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
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 98.1% 263
- Cancelled 1.9% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA LAS Seattle–Tacoma International Airport – Harry Reid International Airport | 1,395 | 15.7 min | 64.6% | 223 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 19 | 18 | 72.2% | 1 |
| December 2024 | 21 | 21 | 66.7% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 4 | 4 | 50.0% | 0 |
| May 2025 | 8 | 8 | 62.5% | 0 |
| June 2025 | 12 | 12 | 50.0% | 0 |
| July 2025 | 16 | 15 | 40.0% | 1 |
| August 2025 | 11 | 11 | 36.4% | 0 |
| October 2025 | 10 | 9 | 77.8% | 1 |
| November 2025 | 9 | 9 | 88.9% | 0 |
| December 2025 | 14 | 12 | 91.7% | 2 |
| January 2026 | 24 | 24 | 87.5% | 0 |
| February 2026 | 20 | 20 | 85.0% | 0 |
| March 2026 | 20 | 20 | 40.0% | 0 |
| April 2026 | 17 | 17 | 58.8% | 0 |
| May 2026 | 19 | 19 | 68.4% | 0 |
| June 2026 | 15 | 15 | 73.3% | 0 |
| July 2026 | 7 | 7 | 57.1% | 0 |