LATEST 12-MONTH WINDOW
MDW to SEA averages 85% full
Chicago and Seattle: 85% average load factor, 191k passengers, and 225k seats across both directions in the latest 12-month BTS window.
Load factor
85%
Passengers
191k
Seats
225k
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| Jul 2025 | 92% | 26k |
| Aug 2025 | 94% | 28k |
| Sep 2025 | 83% | 24k |
| Oct 2025 | 85% | 9k |
| Nov 2025 | 83% | 8k |
| Dec 2025 | 87% | 9k |
| Jan 2026 | 76% | 8k |
| Feb 2026 | 76% | 7k |
| Mar 2026 | 76% | 15k |
| Apr 2026 | 77% | 16k |
| May 2026 | 82% | 18k |
| Jun 2026 | 90% | 25k |