Spirit Airlines IAH to ORD on-time performance
Spirit Airlines nonstop flights from Houston to Chicago · Aug 2025 – Jul 2026
On-time arrivals
63%
arrived < 15 min late
Cancelled
4.8%
13 flights
Avg arrival delay
27 min
71 min when late
Rank on route
#6 of 8
route average 75% on time
Key facts
- Spirit Airlines flights on IAH to ORD arrived on time 63% of the time in Aug 2025 – Jul 2026.
- 4.8% were cancelled, and 15% arrived an hour or more late.
- That ranks #6 of 8 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (45%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion45%
- Late-arriving aircraft28%
- Airline (crew, maintenance, cleaning, fueling)26%
- Security1%
- Extreme weather0%
Other airlines on IAH to ORD
- United Airlines79% on time · 16 min avg delay
- American Airlines67% on time · 40 min avg delay
- Republic Airways73% on time · 22 min avg delay
- Envoy Air73% on time · 18 min avg delay
- Frontier Airlines65% on time · 48 min avg delay
- PSA Airlines50% on time · 78 min avg delay
- SkyWest Airlines50% on time · 23 min avg delay
Full IAH to ORD comparison →
Spirit Airlines on-time record across all routes →
272 Spirit Airlines flights tracked on this route; 13 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.