FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

BOI ↔ SLC

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

153,596
2026 passengers
1,699
2026 departures
80.0%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
DLDelta Air Lines Inc.120,2671,17778.9%
OOSkyWest Airlines Inc.32,75151584.7%
AAAmerican Airlines Inc.165186.8%
WNSouthwest Airlines Co.148184.6%
UAUnited Air Lines Inc.100179.4%
ASAlaska Airlines Inc.94149.7%
QXHorizon Air71193.4%
FXFederal Express Corporation01
5XUnited Parcel Service01

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015346,043948.1407,7535,33784.9%
2016368,9251,008.0440,8665,85683.7%
2017366,5431,004.2433,5185,45784.6%
2018381,9021,046.3473,1145,17380.7%
2019389,6531,067.5447,9774,72487.0%
2020163,219446.0309,5393,44952.7%
2021270,017739.8394,9143,97468.4%
2022322,848884.5388,1123,75683.2%
2023379,6191,040.1467,9133,70181.1%
2024363,119992.1444,8053,59781.6%
2025339,936931.3426,9423,52479.6%
2026153,596848.6191,9001,69980.0%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.