BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
CYS→DEN

Cheyenne, WY (CYS) to Denver, CO (DEN) flight delay odds

80.9% of 740 official scheduled CYS-to-DEN flights arrived on time; 11.8% arrived at least 30 minutes late and 1.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.9%arrived on time
11.8%30+ min late
1.4%cancelled
740scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.2%all scheduled flights
120+ minutes late4.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+6.8 mincompleted flights

Which departure time was most reliable for CYS to DEN?

Among qualifying CYS-to-DEN departure window results, Early morning had the highest on-time rate: 82.4% of 363 flights. Afternoon was lowest at 79.6% across 373 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36382.4%11.3%0.8%
Afternoon37379.6%12.3%1.9%

Which weekday was most reliable for CYS to DEN?

Among qualifying CYS-to-DEN weekday results, Tuesday had the highest on-time rate: 89.7% of 107 flights. Friday was lowest at 75.5% across 106 flights.

DayFlightsOn time30+ minCancelled
Monday10778.5%14.0%0.0%
Tuesday10789.7%6.5%0.9%
Wednesday10579.0%12.4%1.0%
Thursday10578.1%12.4%3.8%
Friday10675.5%16.0%2.8%
Saturday10380.6%10.7%0.0%
Sunday10785.0%10.3%0.9%

Which airline was most reliable for CYS to DEN?

Only SkyWest Airlines met the CYS-to-DEN airline threshold: 80.9% of 740 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines74080.9%11.8%1.4%

Which month was most reliable for CYS to DEN?

Among qualifying CYS-to-DEN month results, September 2025 had the highest on-time rate: 95.0% of 60 flights. July 2025 was lowest at 62.5% across 72 flights.

MonthFlightsOn time30+ minCancelled
July 20257262.5%19.4%2.8%
August 20256277.4%14.5%1.6%
September 20256095.0%5.0%0.0%
October 20256279.0%8.1%0.0%
November 20255994.9%3.4%0.0%
December 20256379.4%12.7%0.0%
January 20266283.9%11.3%1.6%
February 20265678.6%10.7%3.6%
March 20266277.4%14.5%4.8%
April 20266081.7%18.3%0.0%
May 20266282.3%11.3%1.6%
June 20266083.3%10.0%0.0%

What drove CYS to DEN delay minutes?

Late aircraft was the largest recorded CYS-to-DEN delay category, accounting for 38.8% of 11,891 BTS-attributed delay minutes during July 2025–June 2026.

Airline35.3%
Late aircraft38.8%
National airspace15.1%
Weather10.7%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.