FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

BOS ↔ SFO

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

644,895
2026 passengers
4,397
2026 departures
84.0%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
UAUnited Air Lines Inc.280,3301,85983.9%
B6JetBlue Airways228,8881,69784.7%
DLDelta Air Lines Inc.133,10082683.1%
ASAlaska Airlines Inc.1,7081188.9%
LHLufthansa German Airlines503198.8%
WNSouthwest Airlines Co.268276.6%
AAAmerican Airlines Inc.98196.1%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
20151,233,3703,379.11,396,7228,37388.3%
20161,264,5473,455.01,521,3568,97883.1%
20171,404,2823,847.31,678,4889,48183.7%
20181,485,8444,070.81,739,25310,53585.4%
20191,401,4163,839.51,618,66410,01486.6%
2020353,891966.9671,4134,12752.7%
2021593,3751,625.7711,3884,27683.4%
20221,120,4613,069.81,308,3217,57685.6%
20231,334,9903,657.51,584,8439,18584.2%
20241,337,0813,653.21,523,0948,79487.8%
20251,363,3483,735.21,582,4759,09386.2%
2026644,8953,563.0767,3984,39784.0%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.