FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

PDX ↔ SEA

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

452,409
2026 passengers
6,562
2026 departures
75.2%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
OOSkyWest Airlines Inc.175,3113,15175.2%
ASAlaska Airlines Inc.148,9291,18075.2%
QXHorizon Air103,6661,64283.1%
DLDelta Air Lines Inc.23,86632553.1%
WNSouthwest Airlines Co.271286.9%
BABritish Airways Plc248196.9%
MQEnvoy Air118277.6%
SYSun Country Airlines d/b/a MN Airlines020.0%
FXFederal Express Corporation01
ABXABX Air Inc0249
8CAir Transport International07

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
20151,350,3553,699.61,734,69822,06577.8%
20161,375,6653,758.61,773,13722,27877.6%
20171,295,6043,549.61,716,26121,78275.5%
20181,323,6083,626.31,885,19821,88370.2%
20191,348,5413,694.61,805,33020,27774.7%
2020596,8481,630.71,403,14815,43542.5%
20211,067,5422,924.81,674,30015,43863.8%
20221,255,2153,438.91,676,28516,83574.9%
20231,258,0733,446.81,733,31417,74472.6%
20241,122,3423,066.51,491,95815,37375.2%
20251,020,2662,795.21,308,05314,62978.0%
2026452,4092,499.5601,9366,56275.2%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.