routeloads.
Route profile IAD-SJU

IAD → SJU loads

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

LATEST 12-MONTH WINDOW

IAD to SJU averages 88% full

Dulles to San Juan: 88% average load factor, 205k passengers, and 234k seats in the latest 12-month BTS window.

Load factor
88%
Passengers
205k
Seats
234k

Monthly trend

MonthLoadPassengers
Apr 202593%12k
May 202586%12k
Jun 202589%17k
Jul 202589%18k
Aug 202588%16k
Sep 202591%4k
Oct 202582%13k
Nov 202585%23k
Dec 202585%25k
Jan 202687%23k
Feb 202690%21k
Mar 202691%22k