FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

MKE ↔ SEA

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

62,637
2026 passengers
440
2026 departures
80.7%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
ASAlaska Airlines Inc.61,88243580.6%
DLDelta Air Lines Inc.559490.7%
UAUnited Air Lines Inc.196198.0%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015134,294367.9153,6981,20287.4%
2016142,841390.3179,6621,56079.5%
2017117,450321.8131,7551,50689.1%
2018181,836498.2213,9231,66385.0%
2019159,233436.3186,5571,42685.4%
202045,401124.0100,39282945.2%
202178,978216.497,30668481.2%
2022104,234285.6124,05871584.0%
2023115,775317.2135,55177485.4%
2024137,607376.0165,04194183.4%
2025138,730380.1168,95598382.1%
202662,637346.177,60044080.7%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.