Colorado Springs (COS) to Las Vegas (LAS): On-Time Performance
Data through July 2026
Colorado Springs (COS) to Las Vegas (LAS) effectively runs on two schedules. In February 2026, 93% of arrivals were on time; in July 2025 that fell to 71% — a 22-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 67%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 2.4
- last 12 months
- Duration
- 2h 2m
- scheduled
- Distance
- 604 mi
Monthly on-time trend
Best time to fly from COS to LAS
Aim for departures around 5 a.m. (97% on-time); avoid 8 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 12 min |
| Tuesday | 85% | 9 min |
| Wednesday | 81% | 10 min |
| Thursday | 78% | 14 min |
| Friday | 72% | 18 min |
| Saturdaybest | 85% | 12 min |
| Sunday | 83% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft54%
- Airline operations23%
- National airspace system20%
- Weather3%
Frequently asked questions
- How often are flights from COS to LAS delayed?
- 20% of COS–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from COS to LAS?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 8 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from COS to LAS?
- The scheduled COS–LAS flight time averages 2h 2m over 604 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are COS to LAS flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from COS to LAS?
- July 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was February 2026 at 93%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 1,812 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.