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Airport · GCC · Gillette, Wyoming

Gillette, WY

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Gillette, WY (GCC) ranks #283 of 382 tracked US airports by total flights (most flights = #1). Gillette, WY posts top-quartile on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.

Data updated 2026-06-13

86%
On-time
Top 22%
on-time, US airports
122 min
Delay when late
1.29%
Cancelled
#283 of 382
Corpus placement
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GCC on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%86%

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 87,520.

Late Aircraft 21.1% (18,484 min)
Carrier 54.7% (47,895 min)
NAS (National Aviation System) 14.2% (12,417 min)
Weather 9.9% (8,686 min)
Security 0.0% (38 min)

GCC - seasonal on-time pattern

Best: September (96.7%) · worst: February (91.6%)

90%92%94%96%98% JanFebMarAprMayJunJulAugSepOctNovDec 91.9%

GCC - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96% 202020212022202320242025 95.4% 90.8% ▼ -4.8%

GCC - taxi-out and taxi-in (monthly)

Average taxi-out 20.6 min · taxi-in 5.7 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).

10 min15 min20 min25 min30 min Jan 24Dec 25 23 min 24.9 min ▲ +8.3%

GCC's average taxi-out (20.6 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is January 2025 at 27.6 min; the lightest is October 2024 at 15.5 min.

Cancellation & Diversion Analysis

Flight disruption statistics for Gillette, WY.

Cancellation Rate

1.29%

105 of 8,123 flights

Diversion Rate

0.18%

15 of 8,123 flights

Delay Rate

14.0%

1,136 of 8,123 flights

Top Routes from GCC

Busiest routes to and from Gillette, WY.

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Route Flights On-Time Distance
DEN (Denver) → GCC (Gillette) 3,944 84.6% 313 mi
GCC (Gillette) → DEN (Denver) 3,914 84.8% 313 mi

Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Gillette, WY, both outside Wyoming so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.

Similar on-time rate

Nearest out-of-state BTS on-time rate (this airport: 86%).

Bend/Redmond, OR

Bend/Redmond, OR

86% on-time 75,747 flights

Gulfport/Biloxi, MS

Gulfport/Biloxi, MS

86% on-time 38,923 flights

Evansville, IN

Evansville, IN

86% on-time 25,741 flights

San Angelo, TX

San Angelo, TX

86% on-time 16,218 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 8,123).

Springfield, IL

Springfield, IL

8,116 flights 82.8% on-time

Ponce, PR

Ponce, PR

8,079 flights 74.5% on-time

Bethel, AK

Bethel, AK

8,174 flights 78.3% on-time

Stillwater, OK

Stillwater, OK

8,044 flights 87.7% on-time

Other Airports in Wyoming

Compare performance with other Wyoming airports.

JAC 80.7%

Jackson, WY

Jackson · 64,902 flights
CPR 83.5%

Casper, WY

Casper · 20,592 flights
SHR 86.6%

Sheridan, WY

Sheridan · 7,839 flights
LAR 85.3%

Laramie, WY

Laramie · 7,419 flights
COD 78.9%

Cody, WY

Cody · 7,056 flights
RKS 86.4%

Rock Springs, WY

Rock Springs · 6,604 flights
RIW 85.6%

Riverton/Lander, WY

Riverton/Lander · 6,519 flights
CYS 85.4%

Cheyenne, WY

Cheyenne · 5,577 flights

GCC delay-share reading

The standout signal at Gillette, WY is the delay mix: Carrier owns 54.7% of 87,520 delay minutes across 8,123 BTS flights. The on-time headline is 86% (7 pts above the 79% national average), with 1,136 delayed and 105 cancelled (1.29%).

Delay minutes concentrate in Carrier (21.1% late-aircraft, 54.7% carrier, 14.2% NAS, 9.9% weather, 0.0% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.

On the multi-year calendar, GCC is strongest in September (96.7% on-time) and weakest in February (91.6%), a 5.1-point swing. Volume peaks in October (~123 flights/month). The busiest connecting route is to DEN (Denver) at 84.6% on-time. Field definitions: on-time performance explained.

Statewide aggregates for Wyoming: Wyoming flight data.

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using GCC's data

GCC's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.

  • Check the busiest route from GCC before you book a connection. See top routes
  • Travel in September rather than February if your dates are flexible. Seasonal patterns
  • Build extra connection buffer when taxi-out spikes. January 2025 averaged 27.6 min. Taxi times

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.