FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

MDW ↔ SDF

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

82,861
2026 passengers
923
2026 departures
57.7%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
WNSouthwest Airlines Co.82,74292157.7%
DLDelta Air Lines Inc.119190.2%
LFCFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle010.0%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015275,920755.9360,2012,51776.6%
2016267,498730.9372,2772,54071.9%
2017271,787744.6375,8542,48672.3%
2018272,781747.3359,1322,42276.0%
2019224,350614.7323,3762,18969.4%
2020113,709310.7259,1761,77943.9%
2021181,216496.5231,7331,51278.2%
2022250,361685.9308,0192,01781.3%
2023226,203619.7333,8512,08867.8%
2024216,323591.0332,8032,10265.0%
2025198,117542.8313,9511,98663.1%
202682,861457.8143,56392357.7%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.