Walla Walla Regional ⇄ Seattle-Tacoma International ALW–SEA
Airlines flew 1,425 flights between Walla Walla Regional ALW in Walla Walla, WA and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 73,573 passengers in 108,160 seats, 68% of them filled, and 8,961 pounds of freight. 213 miles, about 44 minutes in the air, on 2 airlines: Horizon Air (1,423), Kenmore Air Harbor (2). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 117 |
| 2/25 | 107 |
| 3/25 | 124 |
| 4/25 | 120 |
| 5/25 | 122 |
| 6/25 | 118 |
| 7/25 | 120 |
| 8/25 | 122 |
| 9/25 | 120 |
| 10/25 | 122 |
| 11/25 | 112 |
| 12/25 | 114 |
| 1/26 | 118 |
| 2/26 | 111 |
| 3/26 | 121 |
| 4/26 | 120 |
| 5/26 | 121 |
| 6/26 | 120 |
| 7/26 | 124 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 5,690 |
| 2/25 | 5,517 |
| 3/25 | 6,884 |
| 4/25 | 6,355 |
| 5/25 | 7,143 |
| 6/25 | 6,983 |
| 7/25 | 6,477 |
| 8/25 | 6,214 |
| 9/25 | 6,355 |
| 10/25 | 6,755 |
| 11/25 | 5,997 |
| 12/25 | 6,162 |
| 1/26 | 5,447 |
| 2/26 | 5,136 |
| 3/26 | 6,343 |
| 4/26 | 6,049 |
| 5/26 | 6,444 |
| 6/26 | 6,662 |
| 7/26 | 6,009 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Horizon Air QX | 1,423 | 73,570 | 68% | scheduled passenger service |
| Kenmore Air Harbor M5 | 2 | 3 | 25% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,423 | 76 | 73,570 |
| Pilatus PC-12 | 2 | 6 | 3 |
ALW → SEA this direction alone · flown January 2025 to July 2026
712 flights of 701 scheduled, 37,193 passengers in 54,042 seats, 1,203 pounds of freight. Horizon Air 711; Kenmore Air Harbor 1.
SEA → ALW this direction alone · flown January 2025 to July 2026
713 flights of 722 scheduled, 36,380 passengers in 54,118 seats, 7,758 pounds of freight. Horizon Air 712; Kenmore Air Harbor 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Walla Walla Regional ALW and Seattle-Tacoma International SEA; all routes.