Route Reliability

Airport reliability

Rapid City (RAP) on-time performance

How reliably flights leave Rapid City, SD (RAP) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Rapid City, SD5,782 departures in 12 months

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Departures on time
78.8%
U.S. average 75.6%
Cancelled
1.2%
U.S. average 1.9%
60+ minutes late
8.0%
U.S. average 8.1%
Scheduled departures
5,782
12 months

What this means

RAP departures beat the U.S. average.

  • 78.8% of the 5,782 scheduled departures from Rapid City (RAP) arrived at their destination on time, 3.2 points higher than the U.S. average of 75.6%.
  • 1.2% of departures were cancelled (U.S. average 1.9%), and 8.0% arrived an hour or more late.
  • Flights arriving at RAP were on time 77.8% of the time.
  • Among airlines with at least 300 departures, Envoy Air was the most punctual from RAP (80.7%) and Allegiant Air the least (69.3%).
  • Over the last 3 years, October was the most reliable month for departures from RAP (85.0% on time) and July the least reliable (70.7%).
  • Cancellations peaked in February, when 4.1% of flights were cancelled.
  • Flights scheduled to depart before 6 am were the most punctual (89.0% on time); flights scheduled to depart 3 pm to 4 pm were the least (68.7%).

Airlines at RAP

Ranked by on-time arrival

Departures from RAP, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
AirlineOn timeCancelled 60+ min lateAvg delay when lateDepartures
Envoy AirSold as American Eagle 80.7%1.5% 7.4%90 min 1,426
United Airlines 80.6%0.7% 6.3%91 min 936
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska 79.1%1.2% 8.4%91 min 2,953
Allegiant Air 69.3%0.0% 11.3%79 min 336
PSA AirlinesSold as American Eagle 56.7%6.2% 11.3%81 min 97
Delta Air Lines Insufficient sample 28
American Airlines Insufficient sample 6

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On-time rate by departure hour

<6a 89.0%
6a 88.2%
7a 82.7%
8a 70.3%
9a 77.6%
10a 83.0%
11a 79.1%
12p 80.7%
1p 76.0%
2p 83.3%
3p 68.7%
4p 70.3%
5p 70.1%
6p 81.0%
7p Insufficient sample
8p Insufficient sample
9p 55.8%
10p Insufficient sample
Share of scheduled flights on time RAP average 78.8%
Departures from RAP by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 89.0% 509
Departing 6 am to 7 am 88.2% 458
Departing 7 am to 8 am 82.7% 365
Departing 8 am to 9 am 70.3% 279
Departing 9 am to 10 am 77.6% 183
Departing 10 am to 11 am 83.0% 522
Departing 11 am to noon 79.1% 632
Departing noon to 1 pm 80.7% 669
Departing 1 pm to 2 pm 76.0% 396
Departing 2 pm to 3 pm 83.3% 395
Departing 3 pm to 4 pm 68.7% 383
Departing 4 pm to 5 pm 70.3% 478
Departing 5 pm to 6 pm 70.1% 334
Departing 6 pm to 7 pm 81.0% 79
Departing 7 pm to 8 pm Insufficient sample 12
Departing 8 pm to 9 pm Insufficient sample 10
Departing 9 pm to 10 pm 55.8% 52
Departing 10 pm to 11 pm Insufficient sample 26

Best and worst months at RAP

Jan 75.8%
Feb 78.4%
Mar 83.5%
Apr 76.2%
May 78.3%
Jun 72.8%
Jul 70.7%
Aug 74.1%
Sep 84.7%
Oct 85.0%
Nov 82.6%
Dec 80.7%
Share of scheduled flights on time 12-month average 78.8%
Departures from RAP by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.
Show as table
PeriodOn timeFlights
January 75.8% 917
February 78.4% 901
March 83.5% 1,034
April 76.2% 1,140
May 78.3% 1,554
June 72.8% 1,853
July 70.7% 1,913
August 74.1% 1,815
September 84.7% 1,454
October 85.0% 1,297
November 82.6% 1,066
December 80.7% 1,119

Month by month, last 12 months

Sep 83.5%
Oct 81.8%
Nov 81.3%
Dec 76.7%
Jan 80.2%
Feb 87.2%
Mar 82.1%
Apr 75.3%
May 80.1%
Jun 75.8%
Jul 76.5%
Aug 74.0%
Share of scheduled flights on time U.S. average 75.6%
Departures from RAP, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 83.5% 496
Oct 2025 81.8% 428
Nov 2025 81.3% 343
Dec 2025 76.7% 330
Jan 2026 80.2% 308
Feb 2026 87.2% 321
Mar 2026 82.1% 364
Apr 2026 75.3% 465
May 2026 80.1% 624
Jun 2026 75.8% 703
Jul 2026 76.5% 727
Aug 2026 74.0% 673

Busiest routes from RAP

Nonstop routes from RAP by scheduled flights, September 2025 to August 2026.
ToOn timeCancelledAirlinesFlights
Denver (DEN) 79.4%1.2%22,844
Dallas/Fort Worth (DFW) 82.7%1.8%21,005
Chicago (ORD) 72.1%1.6%3687
Minneapolis (MSP) 84.5%0.5%2646
Phoenix (AZA) 75.9%0.0%1199
Charlotte (CLT) 65.4%4.4%3136
Las Vegas (LAS) 60.4%0.0%1111
Phoenix (PHX) 84.3%0.0%189
Airliner parked at a terminal gate
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Scheduled nonstop domestic departures from Rapid City, SD (RAP) by airlines that report to the DOT.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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