LATEST 12-MONTH WINDOW
IAD to ZRH averages 76% full
Dulles to Zurich: 76% average load factor, 230k passengers, and 302k seats in the latest 12-month BTS window.
Load factor
76%
Passengers
230k
Seats
302k
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| Apr 2025 | 71% | 18k |
| May 2025 | 73% | 20k |
| Jun 2025 | 82% | 22k |
| Jul 2025 | 88% | 23k |
| Aug 2025 | 90% | 24k |
| Sep 2025 | 78% | 20k |
| Oct 2025 | 74% | 19k |
| Nov 2025 | 66% | 15k |
| Dec 2025 | 80% | 20k |
| Jan 2026 | 74% | 17k |
| Feb 2026 | 58% | 13k |
| Mar 2026 | 74% | 18k |