LATEST 12-MONTH WINDOW
LHR to SEA averages 82% full
London and Seattle: 82% average load factor, 552k passengers, and 677k seats across both directions in the latest 12-month BTS window.
Load factor
82%
Passengers
552k
Seats
677k
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| Jul 2025 | 90% | 58k |
| Aug 2025 | 92% | 59k |
| Sep 2025 | 89% | 56k |
| Oct 2025 | 76% | 46k |
| Nov 2025 | 78% | 33k |
| Dec 2025 | 84% | 37k |
| Jan 2026 | 75% | 33k |
| Feb 2026 | 74% | 29k |
| Mar 2026 | 83% | 38k |
| Apr 2026 | 74% | 44k |
| May 2026 | 77% | 55k |
| Jun 2026 | 81% | 64k |