BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
IAH→ORD

American Airlines Houston, TX (IAH) to Chicago, IL (ORD) reliability

Among 798 scheduled American Airlines flights from IAH to ORD, 64.5% arrived on time, 24.6% arrived at least 30 minutes late, and 3.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: American Airlines (AA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
64.5%arrived on time
24.6%30+ min late
3.5%cancelled
798scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late24.6%
60+ minutes late15.0%
Cancelled3.5%
Average arrival+32.2 mincompleted flights

What did American Airlines IAH to ORD record?

American Airlines completed 96.2% of its scheduled reportable IAH to ORD flights in the observation window. 64.5% of all scheduled flights arrived less than 15 minutes late, while 15.0% arrived at least an hour late.

What were American Airlines IAH to ORD disruption rates?

For American Airlines IAH-to-ORD flights, 24.6% arrived at least 30 minutes late, 3.5% were cancelled, and 0.3% were diverted.

Compare all airlines on this route

What was the American Airlines IAH to ORD scheduled cohort?

The American Airlines IAH-to-ORD cohort contained 798 scheduled flights; 768 completed, 28 were cancelled, and 2 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.