BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
RAP→DEN

Rapid City, SD (RAP) to Denver, CO (DEN) flight delay odds

77.8% of 2,887 official scheduled RAP-to-DEN flights arrived on time; 13.2% arrived at least 30 minutes late and 1.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.8%arrived on time
13.2%30+ min late
1.4%cancelled
2,887scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.0%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.5 mincompleted flights

Which departure time was most reliable for RAP to DEN?

Among qualifying RAP-to-DEN departure window results, Late morning had the highest on-time rate: 82.9% of 620 flights. Evening was lowest at 68.1% across 254 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,03979.8%10.1%0.7%
Late morning62082.9%9.5%0.8%
Afternoon97275.0%16.9%2.3%
Evening25468.1%21.3%2.0%

Which weekday was most reliable for RAP to DEN?

Among qualifying RAP-to-DEN weekday results, Sunday had the highest on-time rate: 83.5% of 417 flights. Friday was lowest at 70.9% across 419 flights.

DayFlightsOn time30+ minCancelled
Monday42677.7%13.4%1.2%
Tuesday41478.3%12.8%0.7%
Wednesday41279.9%13.8%0.2%
Thursday42177.0%13.8%1.4%
Friday41970.9%15.5%2.6%
Saturday37877.5%12.2%2.4%
Sunday41783.5%11.0%1.0%

Which airline was most reliable for RAP to DEN?

Among qualifying RAP-to-DEN airline results, United Airlines had the highest on-time rate: 81.6% of 761 flights. SkyWest Airlines was lowest at 76.4% across 2,126 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines2,12676.4%14.8%1.5%
United Airlines76181.6%8.9%0.9%

Which month was most reliable for RAP to DEN?

Among qualifying RAP-to-DEN month results, February 2026 had the highest on-time rate: 86.1% of 194 flights. July 2025 was lowest at 63.1% across 274 flights.

MonthFlightsOn time30+ minCancelled
July 202527463.1%24.1%2.6%
August 202527667.0%19.9%1.4%
September 202526282.4%9.2%0.0%
October 202526279.8%10.3%0.0%
November 202522383.4%7.6%2.7%
December 202521376.5%16.4%0.0%
January 202621682.9%10.6%2.8%
February 202619486.1%7.2%0.5%
March 202623079.6%13.5%3.0%
April 202622781.1%7.9%1.8%
May 202626182.0%11.1%1.1%
June 202624975.1%17.3%0.4%

What drove RAP to DEN delay minutes?

Airline was the largest recorded RAP-to-DEN delay category, accounting for 39.6% of 47,470 BTS-attributed delay minutes during July 2025–June 2026.

Airline39.6%
Late aircraft23.1%
National airspace23.3%
Weather14.1%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.