Frontier Airlines IAH to ORD on-time performance
Frontier Airlines nonstop flights from Houston to Chicago · Aug 2025 – Jul 2026
On-time arrivals
65%
arrived < 15 min late
Cancelled
4.2%
11 flights
Avg arrival delay
48 min
137 min when late
Rank on route
#5 of 8
route average 75% on time
Key facts
- Frontier Airlines flights on IAH to ORD arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 4.2% were cancelled, and 20% arrived an hour or more late.
- That ranks #5 of 8 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (67%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft67%
- Air traffic control & airport congestion18%
- Airline (crew, maintenance, cleaning, fueling)14%
- Extreme weather1%
- Security0%
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
- Spirit Airlines63% on time · 27 min avg delay
- PSA Airlines50% on time · 78 min avg delay
- SkyWest Airlines50% on time · 23 min avg delay
Full IAH to ORD comparison →
Frontier Airlines on-time record across all routes →
262 Frontier Airlines flights tracked on this route; 11 cancelled, 1 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.