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Airport · CYS · Cheyenne, Wyoming

Cheyenne, WY

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Cheyenne, WY (CYS) ranks #323 of 382 tracked US airports by total flights (most flights = #1). Cheyenne, WY posts above-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.

Data updated 2026-06-13

85.4%
On-time
Top 29%
on-time, US airports
138 min
Delay when late
1.36%
Cancelled
#323 of 382
Corpus placement
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CYS on-time rate vs. the national average

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

0%100%U.S. average79%85.4%

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 52,293.

Late Aircraft 23.6% (12,338 min)
Carrier 44.0% (22,989 min)
NAS (National Aviation System) 16.0% (8,393 min)
Weather 16.4% (8,553 min)
Security 0.0% (20 min)

CYS - seasonal on-time pattern

Best: September (95.8%) · worst: July (90.6%)

90%92%94%96%98% JanFebMarAprMayJunJulAugSepOctNovDec 94.8%

CYS - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96% 202020212022202320242025 93.2% 91.6% ▼ -1.7%

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

Average taxi-out 19.5 min · taxi-in 3.8 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 17.2 min 20.8 min ▲ +20.9%

CYS's average taxi-out (19.5 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is July 2025 at 28.1 min; the lightest is July 2024 at 14.3 min.

Cancellation & Diversion Analysis

Flight disruption statistics for Cheyenne, WY.

Cancellation Rate

1.36%

76 of 5,577 flights

Diversion Rate

0.04%

2 of 5,577 flights

Delay Rate

14.6%

815 of 5,577 flights

Top Routes from CYS

Busiest routes to and from Cheyenne, WY.

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Route Flights On-Time Distance
DEN (Denver) → CYS (Cheyenne) 2,594 82.7% 90 mi
CYS (Cheyenne) → DEN (Denver) 2,593 85.8% 90 mi

Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Cheyenne, 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: 85.4%).

Minneapolis, MN

Minneapolis, MN

85.4% on-time 1,406,487 flights

Waco, TX

Waco, TX

85.4% on-time 15,417 flights

Petersburg, AK

Petersburg, AK

85.4% on-time 8,696 flights

Yakutat, AK

Yakutat, AK

85.4% on-time 8,692 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 5,577).

Ashland, WV

Ashland, WV

5,649 flights 69.5% on-time

Elko, NV

Elko, NV

5,662 flights 93.6% on-time

Moab, UT

Moab, UT

5,341 flights 87.3% on-time

Fort Dodge, IA

Fort Dodge, IA

5,848 flights 83.4% 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
GCC 86%

Gillette, WY

Gillette · 8,123 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 delay-share reading

The standout signal at Cheyenne, WY is the delay mix: Carrier owns 44.0% of 52,293 delay minutes across 5,577 BTS flights. The on-time headline is 85.4% (6.4 pts above the 79% national average), with 815 delayed and 76 cancelled (1.36%).

Delay minutes concentrate in Carrier (23.6% late-aircraft, 44.0% carrier, 16.0% NAS, 16.4% 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, CYS is strongest in September (95.8% on-time) and weakest in July (90.6%), a 5.2-point swing. Volume peaks in July (~128 flights/month). The busiest connecting route is to DEN (Denver) at 82.7% 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 CYS's data

CYS'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 CYS before you book a connection. See top routes
  • Travel in September rather than July if your dates are flexible. Seasonal patterns
  • Build extra connection buffer when taxi-out spikes. July 2025 averaged 28.1 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.