Track Boston to San Francisco Flights
Get SMS alerts for BOS-SFO flights. Biotech meets Big Tech.
Track This RouteOutbound
6 hours
Return
5 hours 30 minutes
Daily Flights
10+
Airlines
4
Timezone note
San Francisco is 3 hours behind Boston (Pacific vs Eastern Time).
About this route
Boston to San Francisco flights
Boston to San Francisco connects two of America's most important innovation economies — Boston's Kendall Square biotech cluster and university research corridor with Silicon Valley and San Francisco's tech industry. The route carries an unusually high proportion of business travelers in premium cabins, with venture capitalists, pharmaceutical executives, and tech workers shuttling between the two ecosystems.
JetBlue's Mint business class transformed this route when it launched, offering lie-flat seats at a fraction of legacy carrier business class pricing. United responds with premium service from its SFO hub, and Delta competes aggressively for corporate contracts. The 6-hour westbound flight fights the jet stream, while the 5 hour 30 minute return benefits from tailwinds.
The 3-hour timezone shift is the largest on any domestic route and significantly impacts scheduling. A morning Boston departure doesn't land until early afternoon Pacific time, while a red-eye heading east arrives for the start of the business day. Both airports have weather vulnerabilities — Boston's nor'easters and coastal storms in winter, San Francisco's persistent marine layer fog in summer. Landing alerts help travelers on both ends manage the uncertainty.
How it works
Track Boston to San Francisco.
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Type the flight number for Boston to San Francisco.
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FAQ
Frequently asked questions.
How long is the Boston to San Francisco flight?
About 6 hours westbound against the jet stream. The eastbound return is around 5 hours 30 minutes with tailwinds.
Which airlines fly Boston to San Francisco?
United, JetBlue (with Mint business class), Delta, and American Airlines offer nonstop service.
What's the time difference?
San Francisco is 3 hours behind Boston — Pacific vs Eastern Time.
Know when they land in San Francisco
Avoid waiting at arrivals. Get a text the moment their Boston to San Francisco flight touches down.
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Aviation lover who built SkyText because families deserve to know when someone lands safely. Has tracked more flights than he'd like to admit.