FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

PHL ↔ STL

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

144,879
2026 passengers
1,423
2026 departures
74.2%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
WNSouthwest Airlines Co.80,02863674.7%
AAAmerican Airlines Inc.51,17353773.8%
OHPSA Airlines Inc.8,36616268.6%
YXRepublic Airline5,1418481.0%
UAUnited Air Lines Inc.147188.6%
LFCFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle24252.2%
FXFederal Express Corporation01

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015306,593840.0373,0934,08882.2%
2016310,049847.1385,6364,17680.4%
2017320,265877.4392,4284,20781.6%
2018402,4951,102.7517,9624,76077.7%
2019420,2611,151.4523,9554,66680.2%
2020143,293391.5281,3452,58350.9%
2021174,282477.5220,4942,41179.0%
2022267,748733.6319,7992,71383.7%
2023271,273743.2338,0092,41880.3%
2024348,219951.4439,8853,20479.2%
2025316,254866.4399,3672,97179.2%
2026144,879800.4195,2691,42374.2%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.