OnTimeRoutes
D

Envoy Air BUF to ORD on-time performance

Envoy Air nonstop flights from Buffalo to Chicago · Aug 2025 – Jul 2026Regional airline operating American Eagle flights.

On-time arrivals
71%
arrived < 15 min late
Cancelled
3.5%
13 flights
Avg arrival delay
21 min
69 min when late
Rank on route
#4 of 5
route average 75% on time

Key facts

  • Envoy Air flights on BUF to ORD arrived on time 71% of the time in Aug 2025 – Jul 2026.
  • 3.5% were cancelled, and 10% arrived an hour or more late.
  • That ranks #4 of 5 airlines on this route, which averaged 75% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (55%).

On-time trend by month

30%65%100%July 2025: 69.6% on time, 2.1% cancelledJul ’25August 2025: 68.6% on time, 5.6% cancelledAug ’25September 2025: 48.3% on time, 3.3% cancelledSep ’25October 2025: 69.6% on time, 0.0% cancelledOct ’25November 2025: 78.1% on time, 3.9% cancelledNov ’25December 2025: 70.7% on time, 6.8% cancelledDec ’25January 2026: 73.3% on time, 6.1% cancelledJan ’26February 2026: 74.4% on time, 0.0% cancelledFeb ’26March 2026: 81.0% on time, 0.0% cancelledMar ’26April 2026: 50.0% on time, 0.0% cancelledApr ’26June 2026: 66.7% on time, 0.0% cancelledJun ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft55%
  • Air traffic control & airport congestion33%
  • Airline (crew, maintenance, cleaning, fueling)7%
  • Extreme weather4%
  • Security1%

Other airlines on BUF to ORD

Full BUF to ORD comparison →
Envoy Air on-time record across all routes →

376 Envoy Air 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.