AS403
AS403 (Alaska Airlines) is a multi-stop service on 9 routes, busiest Las Vegas to Seattle. Of 467 departures recorded from October 2024 to July 2026, 75.0% left on time, according to the US BTS.
- On-time departures75.0%of 467 flights
- Average delay12.9 min
- July 202626▼ 13.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 16 | 29 | ▲ 81.3% |
| February | 22 | 28 | ▲ 27.3% |
| March | 28 | 30 | ▲ 7.1% |
| April | 18 | 30 | ▲ 66.7% |
| May | 17 | 50 | ▲ 194.1% |
| June | 29 | 36 | ▲ 24.1% |
| July | 30 | 26 | ▼ 13.3% |
| August | 19 | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | – | – | – |
| December | 14 | – | – |
| Year to date (Jan–Jul) | 160 | 229 | ▲ 43.1% |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 89.7% | ▲ 19.5% |
| February | 72.7% | 53.6% | ▼ 26.3% |
| March | 78.6% | 80.0% | ▲ 1.8% |
| April | 70.6% | 96.7% | ▲ 36.9% |
| May | 82.4% | 72.0% | ▼ 12.6% |
| June | 79.3% | 75.0% | ▼ 5.4% |
| July | 76.7% | 65.4% | ▼ 14.7% |
| August | 63.2% | – | – |
| September | – | – | – |
| October | 75.0% | – | in progress |
| November | – | – | – |
| December | 92.3% | – | – |
| Year-to-date average (Jan–Jul) | 76.5% | 76.0% | ▼ 0.5% |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 2 | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.1% 463
- Cancelled 0.9% 4
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS SEA Harry Reid International Airport – Seattle–Tacoma International Airport | 1,395 | 14.2 min | 73.2% | 223 |
| PDX SEA Portland International Airport – Seattle–Tacoma International Airport | 208 | 2.0 min | 92.9% | 71 |
| PSP SEA Palm Springs International Airport – Seattle–Tacoma International Airport | 1,590 | 20.1 min | 71.0% | 69 |
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 11.9 min | 72.7% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 2 | 2 | 0.0% | 0 |
| November 2024 | 13 | 13 | 61.5% | 0 |
| December 2024 | 8 | 8 | 50.0% | 0 |
| January 2025 | 16 | 16 | 75.0% | 0 |
| February 2025 | 22 | 22 | 72.7% | 0 |
| March 2025 | 28 | 28 | 78.6% | 0 |
| April 2025 | 18 | 17 | 70.6% | 1 |
| May 2025 | 17 | 17 | 82.4% | 0 |
| June 2025 | 29 | 29 | 79.3% | 0 |
| July 2025 | 30 | 30 | 76.7% | 0 |
| August 2025 | 19 | 19 | 63.2% | 0 |
| October 2025 | 22 | 20 | 75.0% | 2 |
| December 2025 | 14 | 13 | 92.3% | 1 |
| January 2026 | 29 | 29 | 89.7% | 0 |
| February 2026 | 28 | 28 | 53.6% | 0 |
| March 2026 | 30 | 30 | 80.0% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 50 | 50 | 72.0% | 0 |
| June 2026 | 36 | 36 | 75.0% | 0 |
| July 2026 | 26 | 26 | 65.4% | 0 |