FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

KEF ↔ SEA

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

88,392
2026 passengers
671
2026 departures
78.8%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
FIIcelandair80,07260479.0%
ASAlaska Airlines Inc.8,3206777.2%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015117,716322.5137,88175385.4%
2016147,730403.6172,16594185.8%
2017154,345422.9180,05591585.7%
2018160,335439.3189,95699384.4%
2019154,104422.2182,24696684.6%
202021,85889.630,35115872.0%
202158,760161.085,95846868.4%
2022156,519428.8192,45397081.3%
2023171,648470.3203,79495084.2%
2024198,244541.7231,8421,25185.5%
2025205,227562.3252,1311,34881.4%
202688,392488.4112,11267178.8%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.