FlightRecord

Rapid City Regional Airport (RAP): Delays & On-Time Performance

Data through May 2026

Rapid City Regional Airport (RAP) is a tale of two seasons: departures ran 91% on-time in October 2024 but sank to 72% in July 2024. Across the year it averages 82% against a national 78%, over roughly 15 departures a day to 13 destinations.

Departures on-time
82%
left <15 min late
Avg dep delay
17 min
Arrivals on-time
79%
Cancelled
1.4%
Destinations
13
nonstop
Airlines
9

Monthly on-time trend

Monthly departure on-time percentage at RAP50%75%100%June 2024: 75% on-time (538 flights)75Jun 2024July 2024: 72% on-time (567 flights)72August 2024: 82% on-time (582 flights)82September 2024: 87% on-time (547 flights)87Sep 2024October 2024: 91% on-time (499 flights)91November 2024: 86% on-time (444 flights)86December 2024: 87% on-time (454 flights)87Dec 2024January 2025: 76% on-time (314 flights)76February 2025: 83% on-time (291 flights)83March 2025: 85% on-time (345 flights)85Mar 2025April 2025: 79% on-time (363 flights)79May 2025: 78% on-time (549 flights)78June 2025: 75% on-time (612 flights)75Jun 2025July 2025: 74% on-time (619 flights)74August 2025: 78% on-time (560 flights)78September 2025: 87% on-time (496 flights)87Sep 2025October 2025: 89% on-time (428 flights)89November 2025: 87% on-time (343 flights)87December 2025: 80% on-time (330 flights)80Dec 2025January 2026: 85% on-time (308 flights)85February 2026: 88% on-time (321 flights)88March 2026: 82% on-time (364 flights)82Mar 2026April 2026: 85% on-time (465 flights)85May 2026: 83% on-time (624 flights)83

Best time of day to depart from RAP

On-time percentage by scheduled departure hour at RAP5 a.m.: 91% on-time (1,312 flights)56 a.m.: 91% on-time (585 flights)67 a.m.: 87% on-time (729 flights)78 a.m.: 84% on-time (654 flights)89 a.m.: 85% on-time (288 flights)910 a.m.: 87% on-time (724 flights)1011 a.m.: 80% on-time (1,203 flights)1112 p.m.: 82% on-time (1,202 flights)121 p.m.: 82% on-time (863 flights)132 p.m.: 82% on-time (495 flights)143 p.m.: 77% on-time (618 flights)154 p.m.: 72% on-time (1,148 flights)165 p.m.: 70% on-time (641 flights)176 p.m.: 74% on-time (246 flights)18scheduled departure hour

Busiest routes from RAP

RouteFlights/12moOn-timeAvg delay
RAP → DEN2,90879%19 min
RAP → DFW1,01782%15 min
RAP → ORD68573%19 min
RAP → MSP37081%16 min
RAP → AZA19676%21 min
RAP → CLT13464%33 min
RAP → LAS11269%36 min

Most reliable routes

  1. RAP → DFW82%
  2. RAP → MSP81%
  3. RAP → DEN79%
  4. RAP → AZA76%
  5. RAP → ORD73%

Most delay-prone routes

  1. RAP → CLT64%
  2. RAP → LAS69%
  3. RAP → ORD73%
  4. RAP → AZA76%
  5. RAP → DEN79%

Airline performance at RAP

AirlineOn-time departuresAvg delayFlights
Delta Air Lines86%16 min113
United Airlines84%12 min1,794
Envoy Air83%14 min2,559
Endeavor Air82%19 min197
SkyWest Airlines82%19 min5,249
Allegiant Air78%22 min841
American Airlines61%47 min142

Frequently asked questions

How often are flights delayed at RAP?
18% of departures from Rapid City Regional Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 17 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from RAP?
Flights scheduled around 6 a.m. depart on time 91% of the time at RAP, versus 70% around 5 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at RAP?
In this dataset, July 2024 was the weakest month at RAP, with 72% of departures on time.
How often are flights cancelled at RAP?
1.4% of scheduled departures from RAP were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 10,963 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.