FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

PSC ↔ SEA

Two-way market traffic, capacity, airline participation and annual performance.

165,200
2026 passengers
2,569
2026 departures
79.8%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
OOSkyWest Airlines Inc.75,9911,34076.5%
QXHorizon Air68,7771,06684.9%
ASAlaska Airlines Inc.20,31316077.4%
DLDelta Air Lines Inc.119190.2%
SYSun Country Airlines d/b/a MN Airlines020.0%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015246,509675.4312,7424,17078.8%
2016325,158888.4457,3656,27871.1%
2017337,699925.2424,1196,00579.6%
2018353,734969.1463,7676,36076.3%
2019417,2791,143.2530,0436,98778.7%
2020183,149500.4362,6744,89250.5%
2021325,520891.8462,0406,20170.5%
2022352,019964.4448,0126,03078.6%
2023366,2731,003.5498,4045,47173.5%
2024375,3871,025.6474,7935,49779.1%
2025359,437984.8471,8005,38776.2%
2026165,200912.7207,1362,56979.8%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.