RAP to DEN flight delays

RAP DEN Rapid City to Denver · 300 miles

7,131 flights were scheduled from RAP to DEN over July 2023 through June 2026. Of the 6,992 that made the trip, 79.1% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
7,131
Arrived on time
79.1%
Cancelled
1.7%
Scheduled distance
300 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on RAP–DEN, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
SkyWest Airlines 79% 97 min 1.8% 4,972
United Airlines 79.3% 59 min 1.5% 2,159

Month by month

July was the month to avoid on RAP–DEN: 71.4% of flights arrived on time, against 86.4% in September. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 79.1%.
Arrival on-time share, RAP to DEN, by calendar month
Month Share flights that arrived on time Flights
January 78% 537
February 80.7% 527
March 84.8% 590
April 76.4% 578
May 78.9% 663
June 72.7% 729
July 71.4% 559
August 76.1% 587
September 86.4% 612
October 82.4% 637
November 81.6% 544
December 80.1% 568

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

RAP to DEN in one number

RAP → DEN

When a flight on this route was late, it was late by about 85 min.

July 2023–June 2026 · 7,131 flights

79.1% of flights arrived on time

Questions about RAP to DEN

Which airline is most reliable from RAP to DEN?
United Airlines — its flights on this pairing arrived on time 79.3% of the time, with 2,159 scheduled. SkyWest Airlines came in at 79% over 4,972 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly RAP to DEN?
July, at 71.4% of arrivals on time, with 559 flights scheduled. September was the best of the year at 86.4%.
How late are RAP–DEN flights when they are late?
85 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the RAP to DEN flight cancelled?
1.7% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at DEN less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.