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

Seattle-Tacoma International ⇄ Valley International SEA–HRL

Airlines flew 4 flights between Seattle-Tacoma International SEA in Seattle, WA and Valley International HRL in Harlingen, TX in the twelve months to July 2026, both directions together: 0 passengers in 1,003 seats, 0% of them filled. 1,985 miles, about 231 minutes in the air, on 1 airline: Omni Air International LLC (4). Planning to fly it yourself? The weather and winds along this route right now.

4
flights, twelve months
SEA-HRL: 2 · HRL-SEA: 2
0
passengers
no seats reported (cargo)
1,985
miles
about 231 minutes airborne
1
airline
2 aircraft types

Flights by month both directions

0124516/255122/2613/26
By month, as a table
flights
6/251
7/255
1/261
2/262
3/261

Passengers by month

0001106/250002/2603/26
By month, as a table
passengers
6/250
7/250
1/260
2/260
3/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Omni Air International LLC X9400%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER32630
Boeing 767-200/ER/EM12130

SEA → HRL this direction alone · flown July 2025 to February 2026

2 flights, 0 passengers in 485 seats. Omni Air International LLC 2.

HRL → SEA this direction alone · flown June 2025 to March 2026

2 flights, 0 passengers in 518 seats. Omni Air International LLC 2.

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: Seattle-Tacoma International SEA and Valley International HRL; all routes.