FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

ONT ↔ SJC

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

109,699
2026 passengers
1,279
2026 departures
55.5%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
WNSouthwest Airlines Co.109,6571,27855.5%
DLDelta Air Lines Inc.42121.1%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015289,091792.0406,7612,85571.1%
2016279,474763.6420,6352,88266.4%
2017297,265814.4434,9473,02668.3%
2018330,529905.6447,0203,10273.9%
2019326,468894.4462,7923,18170.5%
2020128,169350.2337,6592,27638.0%
2021187,372513.3305,0861,99161.4%
2022301,453825.9458,9993,17565.7%
2023305,090835.9467,6333,15265.2%
2024266,138727.2431,1712,75061.7%
2025246,674675.8417,4192,69959.1%
2026109,699606.1197,7251,27955.5%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.