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

Among 307 scheduled Spirit Airlines flights from ORD to IAH, 59.6% arrived on time, 28.3% arrived at least 30 minutes late, and 5.5% were cancelled during July 2025–June 2026.

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

HISTORICAL ROUTE SIGNALHigher disruption

59.6%arrived on time

28.3%30+ min late

5.5%cancelled

307scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late28.3%

60+ minutes late18.2%

Cancelled5.5%

Average arrival+27.3 mincompleted flights

What did Spirit Airlines ORD to IAH record?

Spirit Airlines completed 94.5% of its scheduled reportable ORD to IAH flights in the observation window. 59.6% of all scheduled flights arrived less than 15 minutes late, while 18.2% arrived at least an hour late.

What were Spirit Airlines ORD to IAH disruption rates?

For Spirit Airlines ORD-to-IAH flights, 28.3% arrived at least 30 minutes late, 5.5% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the Spirit Airlines ORD to IAH scheduled cohort?

The Spirit Airlines ORD-to-IAH cohort contained 307 scheduled flights; 290 completed, 17 were cancelled, and 0 were diverted.

Not a prediction.

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