LATEST 12-MONTH WINDOW
BOS to ZRH averages 85% full
Boston and Zurich: 85% average load factor, 228k passengers, and 270k seats across both directions in the latest 12-month BTS window.
Load factor
85%
Passengers
228k
Seats
270k
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| Aug 2025 | 93% | 27k |
| Sep 2025 | 88% | 24k |
| Oct 2025 | 87% | 23k |
| Nov 2025 | 79% | 11k |
| Dec 2025 | 86% | 13k |
| Jan 2026 | 85% | 12k |
| Feb 2026 | 80% | 10k |
| Mar 2026 | 82% | 13k |
| Apr 2026 | 76% | 22k |
| May 2026 | 84% | 25k |
| Jun 2026 | 83% | 23k |
| Jul 2026 | 86% | 25k |