✈ SFO → BOS
5H 55M FLIGHT. TWO MOVIES, NO SLEEP, ONE EXISTENTIAL CRISIS.
Flight from San Francisco to Boston
From SFO (SFO), USA North America → Logan (BOS), USA North America
How long is the flight from San Francisco to Boston?
A nonstop flight from San Francisco (SFO) to Boston (BOS) takes about 5 hours 55 minutes, covering a great-circle distance of 2,697 miles (4,341 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
5h 55m
Nonstop, scheduled
Distance
2,697 mi
4,341 km · great-circle
Avg speed
734 km/h
Door-to-door including taxi
Time zones & jet lag
San Francisco timezone
UTC-7
America/Los_Angeles
Boston timezone
UTC-4
America/New_York
Time difference
+3h
3 hours ahead
Jet lag (rough)
~3d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.