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

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

76.8% of 2,887 official scheduled DEN-to-RAP flights arrived on time; 14.9% arrived at least 30 minutes late and 1.1% 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
76.8%arrived on time
14.9%30+ min late
1.1%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 late3.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+8.1 mincompleted flights

Which departure time was most reliable for DEN to RAP?

Among qualifying DEN-to-RAP departure window results, Early morning had the highest on-time rate: 87.3% of 220 flights. Night was lowest at 70.9% across 103 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning22087.3%6.4%2.3%
Late morning72282.4%9.3%0.7%
Afternoon86675.4%14.7%1.5%
Evening97672.1%20.4%0.9%
Night10370.9%21.4%1.0%

Which weekday was most reliable for DEN to RAP?

Among qualifying DEN-to-RAP weekday results, Tuesday had the highest on-time rate: 82.3% of 418 flights. Saturday was lowest at 73.0% across 374 flights.

DayFlightsOn time30+ minCancelled
Monday42674.9%16.7%0.2%
Tuesday41882.3%12.4%0.2%
Wednesday40778.4%13.3%1.0%
Thursday42277.7%13.5%0.9%
Friday42173.4%18.8%2.9%
Saturday37473.0%15.5%1.1%
Sunday41977.6%13.8%1.7%

Which airline was most reliable for DEN to RAP?

Among qualifying DEN-to-RAP airline results, SkyWest Airlines had the highest on-time rate: 77.1% of 2,125 flights. United Airlines was lowest at 75.9% across 762 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines2,12577.1%14.4%1.4%
United Airlines76275.9%16.1%0.4%

Which month was most reliable for DEN to RAP?

Among qualifying DEN-to-RAP month results, October 2025 had the highest on-time rate: 88.9% of 262 flights. July 2025 was lowest at 65.3% across 274 flights.

MonthFlightsOn time30+ minCancelled
July 202527465.3%22.6%1.8%
August 202527668.5%18.1%1.4%
September 202526285.5%10.3%0.0%
October 202526288.9%6.1%0.0%
November 202522287.8%5.0%2.7%
December 202521475.7%18.2%0.0%
January 202621776.5%13.8%2.3%
February 202619482.0%15.5%0.0%
March 202623072.6%18.3%3.5%
April 202622779.3%15.9%1.3%
May 202626074.2%15.0%0.8%
June 202624968.3%18.9%0.0%

What drove DEN to RAP delay minutes?

Late aircraft was the largest recorded DEN-to-RAP delay category, accounting for 39.7% of 42,784 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.2%
Late aircraft39.7%
National airspace16.5%
Weather6.6%
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.