Envoy Air ORD to BUF on-time performance
Envoy Air nonstop flights from Chicago to Buffalo · Aug 2025 – Jul 2026Regional airline operating American Eagle flights.
On-time arrivals
80%
arrived < 15 min late
Cancelled
2.9%
11 flights
Avg arrival delay
13 min
60 min when late
Rank on route
#1 of 5
route average 71% on time
Key facts
- Envoy Air flights on ORD to BUF arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 2.9% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 5 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (40%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft40%
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather10%
- 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
- Republic Airways76% on time · 19 min avg delay
Full ORD to BUF comparison →
Envoy Air on-time record across all routes →
375 Envoy Air 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.