FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

DEN ↔ STL

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

447,586
2026 passengers
3,545
2026 departures
76.8%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
WNSouthwest Airlines Co.271,6222,18374.3%
UAUnited Air Lines Inc.133,2641,05782.0%
F9Frontier Airlines Inc.39,78025279.4%
OOSkyWest Airlines Inc.2,7645073.5%
AAAmerican Airlines Inc.113165.7%
GCAGlobal Crossing Airlines, Inc.43211.9%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015635,5941,741.4717,1726,41088.6%
2016731,0041,997.3857,1237,29585.3%
2017817,5812,239.9935,4057,72987.4%
2018800,6322,193.5904,0347,62488.6%
2019859,8402,355.71,000,3328,43886.0%
2020406,0471,109.4708,2995,61157.3%
2021705,2251,932.1854,8716,24982.5%
2022852,5992,335.9991,4687,06586.0%
2023981,6032,689.31,237,5498,06079.3%
2024979,1832,675.41,246,2927,67978.6%
2025914,8322,506.41,158,8407,26778.9%
2026447,5862,472.9582,5193,54576.8%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.