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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 Jun 2026.

LATEST 12-MONTH WINDOW

IAD to PHL averages 75% full

Dulles and Philadelphia: 75% average load factor, 94k passengers, and 125k seats across both directions in the latest 12-month BTS window.

Load factor
75%
Passengers
94k
Seats
125k

Monthly trend

MonthLoadPassengers
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
May 202675%8k
Jun 202673%11k