OnTimeRoutes
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SkyWest Airlines ORD to GRB on-time performance

SkyWest Airlines nonstop flights from Chicago to Green Bay · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.

On-time arrivals
62%
arrived < 15 min late
Cancelled
5.3%
62 flights
Avg arrival delay
34 min
86 min when late
Rank on route
#3 of 3
route average 71% on time

Key facts

  • SkyWest Airlines flights on ORD to GRB arrived on time 62% of the time in Aug 2025 – Jul 2026.
  • 5.3% were cancelled, and 17% arrived an hour or more late.
  • That ranks #3 of 3 airlines on this route, which averaged 71% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (35%).

On-time trend by month

30%65%100%July 2025: 55.9% on time, 0.7% cancelledJul ’25August 2025: 65.0% on time, 4.8% cancelledAug ’25September 2025: 81.3% on time, 1.1% cancelledSep ’25October 2025: 80.0% on time, 0.0% cancelledOct ’25November 2025: 72.9% on time, 12.7% cancelledNov ’25December 2025: 46.6% on time, 3.3% cancelledDec ’25January 2026: 47.2% on time, 1.4% cancelledJan ’26February 2026: 57.5% on time, 0.0% cancelledFeb ’26March 2026: 60.9% on time, 16.3% cancelledMar ’26April 2026: 58.7% on time, 6.8% cancelledApr ’26May 2026: 55.8% on time, 1.9% cancelledMay ’26June 2026: 69.4% on time, 3.4% cancelledJun ’26July 2026: 65.5% on time, 4.8% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft35%
  • Airline (crew, maintenance, cleaning, fueling)33%
  • Air traffic control & airport congestion19%
  • Extreme weather12%
  • Security0%

Other airlines on ORD to GRB

1,159 SkyWest Airlines flights tracked on this route; 62 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.