routeloads.
Route profile IAD-SFO

IAD ↔ SFO loads

How full flights are between Dulles and San Francisco, both directions combined, using the latest 12 months of DOT T-100 data ending Apr 2026.

LATEST 12-MONTH WINDOW

IAD to SFO averages 86% full

Dulles and San Francisco: 86% average load factor, 983k passengers, and 1.1M seats across both directions in the latest 12-month BTS window.

Load factor
86%
Passengers
983k
Seats
1.1M

Monthly trend

MonthLoadPassengers
May 202586%97k
Jun 202591%98k
Jul 202589%95k
Aug 202587%91k
Sep 202582%75k
Oct 202584%90k
Nov 202582%83k
Dec 202584%83k
Jan 202681%61k
Feb 202681%58k
Mar 202691%74k
Apr 202688%79k