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

San Francisco International ⇄ Tri-Cities SFO–PSC

Airlines flew 1,186 flights between San Francisco International SFO in San Francisco, CA and Tri-Cities PSC in Pasco, WA in the twelve months to July 2026, both directions together: 66,208 passengers in 85,984 seats, 77% of them filled. 620 miles, about 88 minutes in the air, on 1 airline: SkyWest Airlines Inc. (1,186). Planning to fly it yourself? The weather and winds along this route right now.

1,186
flights, twelve months
SFO-PSC: 593 · PSC-SFO: 593
66,208
passengers
77% of seats filled
620
miles
about 88 minutes airborne
1
airline
2 aircraft types

Flights by month both directions

03162941251/254/257/2510/251/264/26987/26
By month, as a table
flights
1/25125
2/25112
3/25116
4/25118
5/25120
6/25121
7/25122
8/25111
9/2599
10/25124
11/25117
12/25121
1/2697
2/2690
3/2671
4/2660
5/2683
6/26115
7/2698

Passengers by month

01,8323,6655,4987,3301/254/257/2510/251/264/265,4367/26
By month, as a table
passengers
1/256,536
2/255,780
3/255,734
4/256,125
5/255,950
6/257,002
7/257,330
8/256,545
9/255,385
10/256,188
11/256,450
12/257,007
1/265,466
2/265,185
3/264,082
4/263,500
5/264,625
6/266,339
7/265,436

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO1,18666,20877%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1751,0427358,398
Canadair RJ-700144707,810

SFO → PSC this direction alone · flown January 2025 to July 2026

593 flights of 593 scheduled, 32,761 passengers in 43,040 seats. SkyWest Airlines Inc. 593.

PSC → SFO this direction alone · flown January 2025 to July 2026

593 flights of 593 scheduled, 33,447 passengers in 42,944 seats. SkyWest Airlines Inc. 593.

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: San Francisco International SFO and Tri-Cities PSC; all routes.