Chicago O’Hare International Airport (ORD) July 2025 Operational Report

Flight Activity Overview

Total Departing Flights: 36,901

Year-over-Year Change in Departing Flights: 11.77%

In July 2025, Chicago O’Hare International Airport (ORD) operated 36,901 departures, a year-over-year increase as airlines added capacity to meet summer demand in North America. The growth was concentrated in domestic and transatlantic banks, strengthening the hub’s role in the region.

On-Time Performance and Cancellations

Departure On-Time Performance: 46.49%

Year-over-Year Change in OTP: −17.31 pp

Cancelled Flights: 604

Year-over-Year Change in Cancellations: −24.69%

Departure OTP at Chicago O’Hare International Airport was 46.49%, with a −17.31 pp shift versus last year, reflecting frequent Midwest thunderstorms and peak-hour ground congestion. Cancelled flights fell to 604 (−24.69% YoY), reducing severe disruptions even if minor delays persist; travelers experienced more schedule certainty.

Airlines Serving Chicago O’Hare International Airport

Key operators include United Airlines and American Airlines, supported by a broad mix of domestic feeders and long‑haul partners. The network spans dense U.S. trunk routes and transatlantic links, underscoring ORD’s dual role as a domestic super‑hub and international gateway.

Outlook

Over the next 4–8 weeks, schedules at the hub should remain broadly stable, with OTP hovering near current levels but vulnerable to afternoon convection and busy weekend peaks. Passengers should prefer morning departures, allow 60–90 minutes of buffer for security and connections on peak days, and monitor gate and weather alerts via NextFly app.