FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

MDW ↔ STL

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

162,900
2026 passengers
1,708
2026 departures
60.7%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
WNSouthwest Airlines Co.162,7941,70660.7%
GCAGlobal Crossing Airlines, Inc.106229.4%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015534,8061,465.2676,1734,67679.1%
2016532,0161,453.6690,1554,68677.1%
2017530,9641,454.7731,3504,93972.6%
2018554,4731,519.1729,2104,91376.0%
2019504,2981,381.6678,9324,65674.3%
2020185,016505.5456,3772,99840.5%
2021295,881810.6397,0502,56274.5%
2022444,9111,218.9636,9454,01169.9%
2023448,0121,227.4728,1974,48661.5%
2024379,4981,036.9596,8273,78663.6%
2025343,023939.8562,9893,49460.9%
2026162,900900.0268,3661,70860.7%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.