Republic Airways ORD to IAH on-time performance
Republic Airways nonstop flights from Chicago to Houston · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
77%
arrived < 15 min late
Cancelled
2.7%
10 flights
Avg arrival delay
17 min
70 min when late
Rank on route
#3 of 8
route average 76% on time
Key facts
- Republic Airways flights on ORD to IAH arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 2.7% were cancelled, and 10% arrived an hour or more late.
- That ranks #3 of 8 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (36%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion36%
- Late-arriving aircraft29%
- Extreme weather21%
- Airline (crew, maintenance, cleaning, fueling)15%
- Security0%
Other airlines on ORD to IAH
- United Airlines80% on time · 14 min avg delay
- American Airlines59% on time · 34 min avg delay
- Envoy Air75% on time · 17 min avg delay
- Spirit Airlines66% on time · 33 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 →
Republic Airways on-time record across all routes →
367 Republic Airways flights tracked on this route; 10 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.