routeloads.
Route profile IAD-PHL

IAD ↔ PHL loads

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

LATEST 12-MONTH WINDOW

IAD to PHL averages 75% full

Dulles and Philadelphia: 75% average load factor, 96k passengers, and 128k seats across both directions in the latest 12-month BTS window.

Load factor
75%
Passengers
96k
Seats
128k

Monthly trend

MonthLoadPassengers
Aug 202580%8k
Sep 202576%7k
Oct 202574%8k
Nov 202574%8k
Dec 202580%8k
Jan 202669%7k
Feb 202674%6k
Mar 202673%7k
Apr 202675%6k
May 202675%8k
Jun 202673%11k
Jul 202674%12k