The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Rosario ⇄ Seattle RSJ–LKE

Airlines flew 183 flights between Rosario RSJ in Rosario, WA and Seattle LKE in Seattle, WA in the twelve months to July 2026, both directions together: 962 passengers in 1,507 seats, 64% of them filled, and 30 pounds of freight. 73 miles, about 38 minutes in the air, on 1 airline: Kenmore Air Harbor (183).

183
flights, twelve months
RSJ-LKE: 85 · LKE-RSJ: 98
962
passengers
64% of seats filled
73
miles
about 38 minutes airborne
1
airline
2 aircraft types

Flights by month both directions

016324763165/254557638/252013396/26487/26
By month, as a table
flights
5/2516
6/2545
7/2557
8/2563
9/2520
5/2613
6/2639
7/2648

Passengers by month

074147220294845/252562882948/25115812286/262447/26
By month, as a table
passengers
5/2584
6/25256
7/25288
8/25294
9/25115
5/2681
6/26228
7/26244

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Kenmore Air Harbor M518396264%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
De Havilland DHC3 Otter10310642
Float/Amphib Turbine806320

RSJ → LKE this direction alone · flown May 2025 to July 2026

85 flights of 59 scheduled, 401 passengers in 702 seats. Kenmore Air Harbor 85.

LKE → RSJ this direction alone · flown May 2025 to July 2026

98 flights of 61 scheduled, 561 passengers in 805 seats, 30 pounds of freight. Kenmore Air Harbor 98.

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: Rosario RSJ and Seattle LKE; all routes.