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Airport Reliability

GUC · Gunnison

Gunnison, CO (GUC)

83%
Departures within 15 minutes
13 min
Average departure delay
82%
Arrivals within 15 minutes
2.1%
Departures cancelled

Based on 1,342 departures and 1,342 arrivals. Data through May 2026.

What the data says

The 12–3 PM departure wins.

Departures from GUC departing between 12–3 PM arrived on time 86% of the time, versus 66% between 3–6 PM.

Tuesday has been the better bet.

A small edge: 82% on time on Tuesdays against 76% on Saturdays.

Ticking up lately.

Departures from GUC arrived on time 89% of the time over the last three months in the data, compared with 84% in the three months before that.

When GUC gets messy

On-time by departure window
  • 6–9 AM82%(388 flights)
  • 9 AM–12 PM—(8 flights)
  • 12–3 PM86%(651 flights)
  • 3–6 PM66%(263 flights)
On-time by weekday
  • Mon79%(184 flights)
  • Tue82%(176 flights)
  • Wed82%(178 flights)
  • Thu81%(187 flights)
  • Fri82%(184 flights)
  • Sat76%(202 flights)
  • Sun81%(199 flights)
On-time trend by month
86%
May

Jun 60% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%91
July 202559%100
August 202570%95
September 202581%90
October 202581%87
November 202593%58
December 202582%120
January 202685%168
February 202687%170
March 202685%180
April 202695%78
May 202686%73

Airlines departing GUC

Busiest routes from GUC

Based on 1,342 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.