routeloads.
Route profile BOS-SFO

BOS → SFO loads

How full flights are between Boston and San Francisco, using the latest 12 months of DOT T-100 data ending Mar 2026.

LATEST 12-MONTH WINDOW

BOS to SFO averages 86% full

Boston to San Francisco: 86% average load factor, 1.4M passengers, and 1.6M seats in the latest 12-month BTS window.

Load factor
86%
Passengers
1.4M
Seats
1.6M

Monthly trend

MonthLoadPassengers
Apr 202585%109k
May 202587%130k
Jun 202590%138k
Jul 202591%142k
Aug 202591%136k
Sep 202584%120k
Oct 202587%129k
Nov 202582%101k
Dec 202583%102k
Jan 202681%83k
Feb 202683%76k
Mar 202685%98k