LATEST 12-MONTH WINDOW
BOS to IAD averages 86% full
Boston and Dulles: 86% average load factor, 452k passengers, and 522k seats across both directions in the latest 12-month BTS window.
Load factor
86%
Passengers
452k
Seats
522k
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| May 2025 | 89% | 48k |
| Jun 2025 | 91% | 44k |
| Jul 2025 | 88% | 40k |
| Aug 2025 | 90% | 42k |
| Sep 2025 | 83% | 41k |
| Oct 2025 | 90% | 39k |
| Nov 2025 | 86% | 36k |
| Dec 2025 | 87% | 36k |
| Jan 2026 | 80% | 29k |
| Feb 2026 | 79% | 27k |
| Mar 2026 | 86% | 36k |
| Apr 2026 | 85% | 36k |