LATEST 12-MONTH WINDOW
BOS to LHR averages 78% full
Boston and London: 78% average load factor, 1.1M passengers, and 1.4M seats across both directions in the latest 12-month BTS window.
Load factor
78%
Passengers
1.1M
Seats
1.4M
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| May 2025 | 77% | 101k |
| Jun 2025 | 84% | 105k |
| Jul 2025 | 87% | 115k |
| Aug 2025 | 86% | 114k |
| Sep 2025 | 75% | 97k |
| Oct 2025 | 80% | 97k |
| Nov 2025 | 73% | 77k |
| Dec 2025 | 80% | 88k |
| Jan 2026 | 70% | 69k |
| Feb 2026 | 63% | 55k |
| Mar 2026 | 75% | 80k |
| Apr 2026 | 75% | 88k |