FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

SEA ↔ STS

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

51,671
2026 passengers
649
2026 departures
73.1%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
ASAlaska Airlines Inc.28,06125369.2%
QXHorizon Air20,36733679.8%
OOSkyWest Airlines Inc.3,2436071.1%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
201557,665158.068,85690683.7%
201658,861160.868,32489986.1%
201754,467149.265,51286283.1%
201861,084167.474,86098581.6%
201959,738163.773,03696181.8%
202035,28096.483,1441,09442.4%
202174,732204.7105,8681,39370.6%
2022104,537286.4132,9521,57878.6%
2023113,923312.1157,3131,20772.4%
2024109,158298.2142,2351,19276.7%
2025113,540311.1145,9281,31077.8%
202651,671285.570,65164973.1%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.