FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

BUF ↔ ORD

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

172,662
2026 passengers
2,425
2026 departures
74.8%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
UAUnited Air Lines Inc.58,80152176.7%
AAAmerican Airlines Inc.38,04043863.5%
YXRepublic Airline32,47154778.3%
OOSkyWest Airlines Inc.18,10736984.3%
G7GoJet Airlines LLC d/b/a United Express13,27931584.3%
MQEnvoy Air11,96422477.1%
5XUnited Parcel Service011

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015403,3111,105.0475,7456,07684.8%
2016382,6901,045.6450,1326,06885.0%
2017401,0781,098.8466,2475,91586.0%
2018413,2111,132.1490,4535,88384.3%
2019409,3551,121.5492,1855,67183.2%
2020104,344285.1203,6492,84251.2%
2021233,154638.8278,7143,60083.7%
2022346,344948.9408,7013,98384.7%
2023338,663927.8394,8993,80085.8%
2024361,199986.9433,0244,20383.4%
2025386,4931,058.9484,4464,95479.8%
2026172,662953.9230,8172,42574.8%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.