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.
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CYS on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Cheyenne, WY sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Cheyenne, WY handles more flight
volume than 15% of them, and has a higher on-time rate than
71% of them, placing it in the quadrant for quiet and reliable.
Flight volume and on-time rate are independent figures: a busy airport can still run
reliably, and a quiet one can still run late.
Cheyenne, WY vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 5,577 ·
On-time rate: 85.4%
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes52,293 min
Carrier22,989 min · 44%
Late Aircraft12,338 min · 24%
Weather8,553 min · 16%
NAS (National Aviation System)8,393 min · 16%
Security20 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
CYS - seasonal on-time pattern
Best: September (95.8%) · worst: July (90.6%)
CYS - on-time rate by year
2020–2025, year-over-year trend.
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).
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.
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.
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.
Cheyenne, WY vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
85.4%Top 29%higher than 71% of 382 airports
Cheyenne, WY
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
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.
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.
Frequently Asked Questions
What is Cheyenne, WY's on-time rate?
Cheyenne, WY (CYS) has a 85.4% on-time rate across 5,577 BTS-tracked flights (2020-2025), 6.4 pts above the 79% national flight-weighted average; that places it in roughly the above-median on-time performance.
How does CYS rank among U.S. airports by traffic volume?
Cheyenne, WY ranks #323 of 382 tracked US airports by total BTS flights (most flights = #1), making it a smaller regional airport.
What's the most common cause of delays at Cheyenne, WY?
Carrier is the leading delay cause at CYS, accounting for 44.0% of delay minutes. The full breakdown: 23.6% late-aircraft, 44.0% carrier, 16.0% NAS/air-traffic-control, 16.4% weather, and 0.0% security.
When is the best time to fly through Cheyenne, WY?
September is historically CYS's strongest month at 95.8% on-time, while July is the weakest at 90.6%, a 5.2-point swing across the BTS historical record.