Republic Airways BUF to ORD on-time performance
Republic Airways nonstop flights from Buffalo to Chicago · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
78%
arrived < 15 min late
Cancelled
3.5%
13 flights
Avg arrival delay
22 min
95 min when late
Rank on route
#2 of 5
route average 75% on time
Key facts
- Republic Airways flights on BUF to ORD arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 3.5% were cancelled, and 12% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (41%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft41%
- Air traffic control & airport congestion27%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather15%
- Security0%
Other airlines on BUF to ORD
- United Airlines75% on time · 24 min avg delay
- American Airlines84% on time · 19 min avg delay
- SkyWest Airlines62% on time · 50 min avg delay
- Envoy Air71% on time · 21 min avg delay
Full BUF to ORD comparison →
Republic Airways on-time record across all routes →
376 Republic Airways flights tracked on this route; 13 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.