Republic Airways ORD to BUF on-time performance
Republic Airways nonstop flights from Chicago to Buffalo · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
76%
arrived < 15 min late
Cancelled
4.8%
18 flights
Avg arrival delay
19 min
75 min when late
Rank on route
#2 of 5
route average 71% on time
Key facts
- Republic Airways flights on ORD to BUF arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 4.8% were cancelled, and 9% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (42%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft42%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion20%
- Extreme weather13%
- Security0%
Other airlines on ORD to BUF
- United Airlines75% on time · 21 min avg delay
- American Airlines60% on time · 35 min avg delay
- SkyWest Airlines65% on time · 28 min avg delay
- Envoy Air80% on time · 13 min avg delay
Full ORD to BUF comparison →
Republic Airways on-time record across all routes →
376 Republic Airways flights tracked on this route; 18 cancelled, 2 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.