routeloads.
Route profile IAD-SXM

IAD ↔ SXM loads

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

LATEST 12-MONTH WINDOW

IAD to SXM averages 78% full

Dulles and Sint Maarten: 78% average load factor, 42k passengers, and 54k seats across both directions in the latest 12-month BTS window.

Load factor
78%
Passengers
42k
Seats
54k

Monthly trend

MonthLoadPassengers
Aug 202569%2k
Nov 202576%1k
Dec 202571%4k
Jan 202673%2k
Feb 202680%2k
Mar 202677%7k
Apr 202676%3k
May 202678%4k
Jun 202680%8k
Jul 202684%9k