LATEST 12-MONTH WINDOW
BOS to ORD averages 87% full
Boston and Chicago: 87% average load factor, 1.8M passengers, and 2.1M seats across both directions in the latest 12-month BTS window.
Load factor
87%
Passengers
1.8M
Seats
2.1M
Monthly trend
| Month | Load | Passengers |
|---|---|---|
| May 2025 | 88% | 166k |
| Jun 2025 | 90% | 183k |
| Jul 2025 | 93% | 183k |
| Aug 2025 | 93% | 189k |
| Sep 2025 | 87% | 176k |
| Oct 2025 | 90% | 196k |
| Nov 2025 | 84% | 144k |
| Dec 2025 | 84% | 126k |
| Jan 2026 | 83% | 96k |
| Feb 2026 | 79% | 94k |
| Mar 2026 | 86% | 128k |
| Apr 2026 | 79% | 150k |