Spirit Airlines ORD to IAH on-time performance
Spirit Airlines nonstop flights from Chicago to Houston · Aug 2025 – Jul 2026
On-time arrivals
66%
arrived < 15 min late
Cancelled
4.4%
12 flights
Avg arrival delay
33 min
95 min when late
Rank on route
#5 of 8
route average 76% on time
Key facts
- Spirit Airlines flights on ORD to IAH arrived on time 66% of the time in Aug 2025 – Jul 2026.
- 4.4% were cancelled, and 17% arrived an hour or more late.
- That ranks #5 of 8 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (33%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft33%
- Air traffic control & airport congestion32%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather10%
- Security0%
Other airlines on ORD to IAH
- United Airlines80% on time · 14 min avg delay
- American Airlines59% on time · 34 min avg delay
- Republic Airways77% on time · 17 min avg delay
- Envoy Air75% on time · 17 min avg delay
- Frontier Airlines78% on time · 24 min avg delay
- PSA Airlines50% on time · 37 min avg delay
- SkyWest Airlines0% on time · 32 min avg delay
Full ORD to IAH comparison →
Spirit Airlines on-time record across all routes →
274 Spirit Airlines flights tracked on this route; 12 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.