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Route · SLC → RAP · 2020–2025 BTS data

Salt Lake City to Rapid City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to RAP (Salt Lake City to Rapid City) ranks #4822 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

89.4%
On-time
+10.4 pts
vs US avg
67 min
Delay when late
583
Flights
#4822 of 4927
Corpus placement

Cancelled

0.5%

Best Month

N/A

Worst Month

N/A

Distance

508 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2022 30 2 0 0 OO
Aug 2022 31 5 0 0 OO
Jul 2022 31 2 0 1 OO
Oct 2021 31 4 0 0 OO
Sep 2021 30 2 0 0 OO
Aug 2021 31 6 0 0 OO
Jul 2021 31 9 0 0 OO
Jun 2021 30 8 0 1 OO
May 2021 31 3 0 0 OO
Apr 2021 30 2 0 0 OO
Mar 2021 31 3 0 0 OO
Jan 2021 31 0 0 0 OO
Dec 2020 31 3 0 0 OO
Nov 2020 30 2 0 0 OO
Oct 2020 31 2 0 0 OO
Sep 2020 30 4 0 0 OO
Aug 2020 31 2 0 0 OO
Mar 2020 31 3 3 1 OO
Jan 2020 31 0 0 0 OO

SLC–RAP seasonal on-time pattern

Best: January (100.0%) · weakest: June (73.3%)

70%80%90%100%110% JanMarAprMayJunJulAugSepOctNovDec 90.3%

Strongest calendar month

January

100.0% on-time · ~31 flights/mo

Busiest calendar month

January

~31 flights/mo avg

Weakest calendar month

June

73.3% on-time · ~30 flights/mo

Cancellation Rate

0.5%

3 of 583 flights

Diversion Rate

0.5%

3 of 583 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

RAP - Rapid City

Full on-time, delay-cause, and seasonal performance for Rapid City, SD.

RAP on-time profile

Compare the two airports

See SLC and RAP side by side on delays, cancellations, and reliability.

Compare SLC vs RAP

Origin-hub reliability standing

Among SLC's stronger departures

SLC → RAP posts a 89.4% on-time rate, landing in the ≥85% band with 54 of 85 BTS-tracked routes leaving Salt Lake City. The same hub also shows 31 mid-band and 0 challenged departures · fleet-wide on-time rank #199 of 4927 (highest on-time = #1).

What the Data Says About SLC to RAP

Salt Lake City to Rapid City (SLC to RAP) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.4% on-time rate across 583 flights, with delays that do happen averaging 66.9 minutes. The corridor runs roughly 508 miles and is served by 1 carrier. Over the most recent 24 months, 3 of 583 flights were cancelled (0.5%) and 3 diverted (0.5%).

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, SLC–RAP peaks in January at 100.0% on-time ; the softest month is June at 73.3%, a 26.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to RAP rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SLC to RAP ranks #4822 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SLC to RAP? ▼
Flights from Salt Lake City to Rapid City have a 89.4% on-time rate based on 583 flights. The average delay is 66.9 minutes.
What is the cancellation rate for SLC to RAP? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (3 of 583 flights) and 0.5% were diverted.
How far is the flight from SLC to RAP? ▼
The flight distance from Salt Lake City (SLC) to Rapid City (RAP) is approximately 508 miles. This route is served by 1 carrier.

Airports on this route

SLC Airport

Salt Lake City
RAP Airport

Rapid City
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SLC–RAP data

SLC–RAP runs 10.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SLC and RAP airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, January (100.0% on-time) beats June (73.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 89.4% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.