AS479
AS479 (Alaska Airlines) flies Las Vegas to Seattle. Of 391 departures recorded from April 2025 to July 2026, 83.9% left on time, according to the US BTS.
- On-time departures83.9%of 391 flights
- Average delay10.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
according to the US BTS · Apr 22, 2025 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 16 of 16 periods have data
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 18 | – |
| February | – | 24 | – |
| March | – | 31 | – |
| April | 9 | 30 | ▲ 233.3% |
| May | 14 | 31 | ▲ 121.4% |
| June | 19 | 30 | ▲ 57.9% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 25 | – | in progress |
| November | 22 | – | – |
| December | 15 | – | – |
according to the US BTS · April 2025 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 16 of 16 periods have data
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 | – | 88.9% | – |
| February | – | 100.0% | – |
| March | – | 90.0% | – |
| April | 100.0% | 96.7% | ▼ 3.3% |
| May | 92.9% | 87.1% | ▼ 6.2% |
| June | 57.9% | 80.0% | ▲ 38.2% |
| July | 78.6% | 80.7% | ▲ 2.6% |
| August | 74.2% | – | – |
| September | 79.3% | – | – |
| October | 83.3% | – | in progress |
| November | 81.8% | – | – |
| December | 80.0% | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 16 of 16 periods have data
according to the US BTS · April 2025 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 16 of 16 periods have data
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 3 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · April 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 98.5% 385
- Cancelled 1.5% 6
Share of all recorded flights in the period, all legs. · Apr 22, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS SEA Harry Reid International Airport – Seattle–Tacoma International Airport | 1,395 | 10.3 min | 83.9% | 391 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 9 | 9 | 100.0% | 0 |
| May 2025 | 14 | 14 | 92.9% | 0 |
| June 2025 | 19 | 19 | 57.9% | 0 |
| July 2025 | 31 | 28 | 78.6% | 3 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 29 | 79.3% | 1 |
| October 2025 | 25 | 24 | 83.3% | 1 |
| November 2025 | 22 | 22 | 81.8% | 0 |
| December 2025 | 15 | 15 | 80.0% | 0 |
| January 2026 | 18 | 18 | 88.9% | 0 |
| February 2026 | 24 | 24 | 100.0% | 0 |
| March 2026 | 31 | 30 | 90.0% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |