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

Colorado Springs, CO (COS) to Las Vegas, NV (LAS) flight delay odds

79.5% of 859 official scheduled COS-to-LAS flights arrived on time; 13.0% arrived at least 30 minutes late and 0.0% 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 SIGNALGenerally reliable
79.5%arrived on time
13.0%30+ min late
0.0%cancelled
859scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.0 mincompleted flights

Which departure time was most reliable for COS to LAS?

Among qualifying COS-to-LAS departure window results, Early morning had the highest on-time rate: 97.2% of 324 flights. Evening was lowest at 64.7% across 252 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning32497.2%2.2%0.0%
Late morning6973.9%13.0%0.0%
Afternoon21472.0%15.4%0.0%
Evening25264.7%25.0%0.0%

Which weekday was most reliable for COS to LAS?

Among qualifying COS-to-LAS weekday results, Saturday had the highest on-time rate: 86.8% of 91 flights. Friday was lowest at 69.5% across 141 flights.

DayFlightsOn time30+ minCancelled
Monday14182.3%11.3%0.0%
Tuesday10681.1%9.4%0.0%
Wednesday10480.8%9.6%0.0%
Thursday14176.6%17.7%0.0%
Friday14169.5%19.9%0.0%
Saturday9186.8%11.0%0.0%
Sunday13583.0%9.6%0.0%

Which airline was most reliable for COS to LAS?

Only Southwest Airlines met the COS-to-LAS airline threshold: 79.5% of 859 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines85979.5%13.0%0.0%

Which month was most reliable for COS to LAS?

Among qualifying COS-to-LAS month results, February 2026 had the highest on-time rate: 92.9% of 56 flights. June 2026 was lowest at 71.2% across 73 flights.

MonthFlightsOn time30+ minCancelled
July 20257371.2%21.9%0.0%
August 20257580.0%9.3%0.0%
September 20257379.5%12.3%0.0%
October 20257574.7%9.3%0.0%
November 20257178.9%12.7%0.0%
December 20256675.8%16.7%0.0%
January 20266379.4%15.9%0.0%
February 20265692.9%7.1%0.0%
March 20267884.6%10.3%0.0%
April 20267787.0%7.8%0.0%
May 20267981.0%11.4%0.0%
June 20267371.2%21.9%0.0%

What drove COS to LAS delay minutes?

Late aircraft was the largest recorded COS-to-LAS delay category, accounting for 51.8% of 10,195 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.0%
Late aircraft51.8%
National airspace19.1%
Weather3.0%
Security0.1%
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.