FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

ORD ↔ STL

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

308,756
2026 passengers
5,359
2026 departures
75.1%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
G7GoJet Airlines LLC d/b/a United Express94,4902,30881.9%
MQEnvoy Air57,6781,04478.5%
AAAmerican Airlines Inc.54,07958465.2%
UAUnited Air Lines Inc.48,05345666.8%
OOSkyWest Airlines Inc.35,18466281.6%
YXRepublic Airline17,10628779.1%
WNSouthwest Airlines Co.502475.8%
LHLufthansa German Airlines496292.9%
ASAlaska Airlines Inc.332293.3%
DLDelta Air Lines Inc.263271.3%
NKSpirit Air Lines149165.1%
AMAeromexico133180.1%
OHPSA Airlines Inc.110284.6%
QKJazz Aviation LP69190.8%
ACAir Canada64142.7%
SYSun Country Airlines d/b/a MN Airlines48125.8%
FXFederal Express Corporation01

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015791,8842,169.5998,56212,26279.3%
2016716,4551,957.5953,53110,82575.1%
2017712,5491,952.2951,47310,81274.9%
2018645,7141,769.1855,0409,91475.5%
2019672,6001,842.7891,7919,90275.4%
2020232,470635.2454,4815,58051.2%
2021403,1131,104.4539,6436,89174.7%
2022432,7941,185.7536,9926,67280.6%
2023494,5131,354.8621,0047,72579.6%
2024569,1591,555.1732,2828,34977.7%
2025588,1831,611.5752,4409,17478.2%
2026308,7561,705.8411,3345,35975.1%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.