LATEST 12-MONTH WINDOW
IAH to SEA averages 86% full
Houston and Seattle: 86% average load factor, 614k passengers, and 711k seats across both directions in the latest 12-month BTS window.
Load factor
86%
Passengers
614k
Seats
711k
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| May 2025 | 85% | 53k |
| Jun 2025 | 88% | 66k |
| Jul 2025 | 91% | 72k |
| Aug 2025 | 88% | 68k |
| Sep 2025 | 82% | 55k |
| Oct 2025 | 83% | 50k |
| Nov 2025 | 85% | 42k |
| Dec 2025 | 85% | 48k |
| Jan 2026 | 83% | 38k |
| Feb 2026 | 88% | 33k |
| Mar 2026 | 88% | 43k |
| Apr 2026 | 87% | 45k |