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Airport Reliability

GRB · Green Bay

Green Bay, WI (GRB)

81%
Departures within 15 minutes
15 min
Average departure delay
72%
Arrivals within 15 minutes
2.7%
Departures cancelled

Based on 6,223 departures and 6,222 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from GRB departing between 3–6 AM arrived on time 88% of the time, versus 60% between 6–9 PM.

Friday is doing you no favors.

Departures from GRB arrived on time 79% of the time on Mondays. On Fridays: 71%.

Ticking up lately.

Departures from GRB arrived on time 74% of the time over the last three months in the data, compared with 69% in the three months before that.

When GRB gets messy

On-time by departure window
  • 3–6 AM88%(526 flights)
  • 6–9 AM85%(1782 flights)
  • 9 AM–12 PM78%(1083 flights)
  • 12–3 PM72%(813 flights)
  • 3–6 PM64%(1579 flights)
  • 6–9 PM60%(258 flights)
On-time by weekday
  • Mon79%(875 flights)
  • Tue78%(848 flights)
  • Wed75%(838 flights)
  • Thu75%(877 flights)
  • Fri71%(885 flights)
  • Sat79%(841 flights)
  • Sun73%(877 flights)
On-time trend by month
76%
May

Jun 79% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%500
July 202574%505
August 202579%504
September 202583%504
October 202581%548
November 202582%493
December 202564%477
January 202667%467
February 202677%452
March 202667%485
April 202677%541
May 202676%565

Airlines departing GRB

Busiest routes from GRB

Based on 6,223 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.