FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

DTW ↔ GRR

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

131,632
2026 passengers
2,244
2026 departures
80.9%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
OOSkyWest Airlines Inc.85,2171,49181.2%
9EEndeavor Air Inc.37,10162381.0%
YXRepublic Airline6,52610482.7%
DLDelta Air Lines Inc.2,2591874.4%
WNSouthwest Airlines Co.406390.4%
MQEnvoy Air69190.8%
OHPSA Airlines Inc.54183.1%
SYSun Country Airlines d/b/a MN Airlines020.0%
FXFederal Express Corporation01

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015350,926961.4405,2294,32386.6%
2016362,088989.3436,9454,35682.9%
2017352,301965.2456,1314,04977.2%
2018358,065981.0442,3404,37780.9%
2019382,6841,048.4467,7374,52581.8%
2020139,858382.1282,2093,15249.6%
2021232,794637.8341,6393,51668.1%
2022274,081750.9341,0722,87980.4%
2023256,597703.0324,6932,86879.0%
2024263,243719.2318,1203,10782.7%
2025279,690766.3334,1644,21283.7%
2026131,632727.2162,6982,24480.9%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.