FlightRecord

Rapid City (RAP) to Las Vegas (LAS): On-Time Performance

Data through May 2026

Rapid City (RAP) to Las Vegas (LAS) is a thinner route than most in this dataset — 112 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 69% arrived on time, noticeably below the national average of 78%.

On-time
69%
arrived <15 min late
Avg delay
36 min
completed flights
Cancelled
0.4%
Flights/day
0.31
last 12 months
Duration
2h 23m
scheduled
Distance
843 mi

Monthly on-time trend

Monthly on-time percentage for RAP to LAS flights50%75%100%June 2024: 44% on-time (9 flights)44Jun 2024July 2024: 44% on-time (9 flights)44August 2024: 89% on-time (9 flights)89September 2024: 100% on-time (9 flights)100Sep 2024October 2024: 65% on-time (17 flights)65November 2024: 71% on-time (15 flights)71December 2024: 100% on-time (14 flights)100Dec 2024January 2025: 56% on-time (9 flights)56February 2025: 63% on-time (8 flights)63March 2025: 89% on-time (9 flights)89Mar 2025April 2025: 75% on-time (8 flights)75May 2025: 78% on-time (9 flights)78June 2025: 44% on-time (9 flights)44Jun 2025July 2025: 44% on-time (9 flights)44August 2025: 89% on-time (9 flights)89September 2025: 63% on-time (8 flights)63Sep 2025October 2025: 78% on-time (9 flights)78November 2025: 44% on-time (9 flights)44December 2025: 75% on-time (16 flights)75Dec 2025January 2026: 63% on-time (8 flights)63February 2026: 75% on-time (8 flights)75March 2026: 89% on-time (9 flights)89Mar 2026April 2026: 56% on-time (9 flights)56May 2026: 44% on-time (9 flights)44

Best time to fly from RAP to LAS

On-time percentage by scheduled departure hour, RAP to LAS4 p.m.: 45% on-time (20 flights)165 p.m.: 71% on-time (70 flights)179 p.m.: 58% on-time (24 flights)2110 p.m.: 68% on-time (56 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday85%5 min
Tuesday80%14 min
Wednesdaybest100%1 min
Thursday58%48 min
Friday82%12 min
Saturday50%36 min
Sunday76%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 operations24%
  • National airspace system14%
  • Weather13%

Frequently asked questions

How often are flights from RAP to LAS delayed?
31% of RAP–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 36 minutes.
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 31% of the time.
How often are RAP to LAS flights cancelled?
0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.

Based on 237 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.