LAS to COS flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to City of Colorado Springs Municipal Airport · 604 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or COS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Colorado Springs (COS) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.2% were cancelled, and 8% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (95% on time); around 9pm did worst (56%).
- Tuesday was the most reliable day to fly (87% on time) and Thursday the least (64%).
- The largest source of delay minutes was late-arriving aircraft (63%).
Which airline is most on time from LAS to COS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 76% | 0.2% | 14 min | 7.7% | 861 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am95%44 flights
- 8am89%138 flights
- 9am85%55 flights
- 10am85%20 flights
- 12pm95%20 flights
- 1pm58%38 flights
- 2pm81%52 flights
- 3pm66%33 flights
- 4pm73%52 flights
- 5pm82%50 flights
- 6pm75%16 flights
- 7pm78%121 flights
- 8pm64%77 flights
- 9pm56%110 flights
- 10pm61%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%0.0% cancelled
- Tuesday87%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday64%0.0% cancelled
- Friday74%0.7% cancelled
- Saturday84%1.1% cancelled
- Sunday70%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft63%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion8%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
LAS to COS: common questions
- How often are LAS to COS flights on time?
- 76% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Las Vegas to Colorado Springs cancelled?
- 0.2% of scheduled flights were cancelled (2 of 861).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 52 min behind schedule on average, and 7.7% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: COS to LAS — 80% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → COS, nonstop flights by US airlines that report to the DOT. How we calculate this.