Major Growth: United Airlines Adds 20,000+ More Chicago O’Hare Flights In 2026

United Airlines’ focus on Chicago O’Hare remains unrelenting. In the schedule update over the weekend, the Star Alliance member added an extra 120,655 departures between March and November—including its five new and returning domestic routes. Its offering has increased by 12%, cementing O’Hare as its busiest hub. These findings are based on examining its submission to Cirium Diio.