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 Apr 2026.

LATEST 12-MONTH WINDOW

IAD to PHL averages 77% full

Dulles and Philadelphia: 77% average load factor, 98k passengers, and 126k seats across both directions in the latest 12-month BTS window.

Load factor
77%
Passengers
98k
Seats
126k

Monthly trend

MonthLoadPassengers
May 202587%10k
Jun 202580%13k
Jul 202581%10k
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