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Tri-Cities Airport (PSC) had nonstop service to 15 destinations on 7 airlines in our June 14, 2026 departure snapshot. The busiest route was to Seattle (SEA), served by 2 carriers, and the largest operator here was Delta Air Lines with nonstops to 5 destinations. 1 of those routes were international.
Route data as of June 14, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
You can fly nonstop from PSC to 15 destinations, including 1 international route. Current schedules show about 22 flights per day across those routes. The busiest options start with Seattle (SEA), Salt Lake City (SLC), Phoenix (PHX).
1 international route in this schedule set
United States 14 · United Kingdom 1
7-8/day on 2 airlines
Embraer E-Jet · Airbus A320 family · Bombardier CRJ
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Tri-Cities Airport (PSC / KPSC) is located in Pasco, United States.
The IATA code is PSC. The ICAO code is KPSC.
The busiest scheduled route from PSC in our June 14, 2026 departure data was PSC to SEA (Seattle), with 7-8/day across 2 airlines.
Delta Air Lines was the largest operator in our PSC schedule data, serving 5 destinations with 8-9/day.
PSC has 1 international route and 14 domestic routes in the current schedule set.
7 airlines operated at PSC in our June 14, 2026 snapshot. Top carriers include Delta Air Lines, Alaska Airlines, United Airlines, Allegiant Air, American Airlines.
PSC has direct flights to 15 destinations including Seattle, Salt Lake City, Phoenix, San Francisco, Denver.
View live arrivals and departures at PSC on FlightRadar24.
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