routeloads.
Route profile SEA-SFO

SEA → SFO loads

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

LATEST 12-MONTH WINDOW

SEA to SFO averages 82% full

Seattle to San Francisco: 82% average load factor, 1.6M passengers, and 2.0M seats in the latest 12-month BTS window.

Load factor
82%
Passengers
1.6M
Seats
2.0M

Monthly trend

MonthLoadPassengers
Apr 202582%125k
May 202578%145k
Jun 202584%150k
Jul 202587%160k
Aug 202589%162k
Sep 202581%142k
Oct 202579%136k
Nov 202578%130k
Dec 202580%131k
Jan 202679%111k
Feb 202682%113k
Mar 202684%122k