Rapid City (RAP) to Las Vegas (LAS): On-Time Performance
Data through July 2026
Rapid City (RAP) to Las Vegas (LAS) is a thinner route than most in this dataset — 111 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 68% arrived on time, noticeably below the national average of 78%.
- On-time
- 68%
- arrived <15 min late
- Avg delay
- 37 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 0.30
- last 12 months
- Duration
- 2h 23m
- scheduled
- Distance
- 843 mi
Monthly on-time trend
Best time to fly from RAP to LAS
Aim for departures around 5 p.m. (71% on-time); avoid 9 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 5 min |
| Tuesday | 80% | 14 min |
| Wednesdaybest | 100% | 1 min |
| Thursday | 57% | 50 min |
| Friday | 82% | 12 min |
| Saturday | 50% | 36 min |
| Sunday | 75% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations19%
- National airspace system19%
- Weather12%
Frequently asked questions
- How often are flights from RAP to LAS delayed?
- 32% of RAP–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 37 minutes.
- What is the best time of day to fly from RAP to LAS?
- Departures around 5 p.m. have the best record (71% on-time), while departures around 9 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from RAP to LAS?
- The scheduled RAP–LAS flight time averages 2h 23m over 843 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
- How often are RAP to LAS flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
Explore related pages
More routes from RAP
Other ways to fly to Las Vegas (LAS)
Related guides
Based on 245 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.