Rapid City Regional in September 2024

87.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In September 2024, reporting carriers scheduled 547 domestic departures from Rapid City Regional (RAP). 87.2% left less than 15 minutes late and 87.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so RAP departures were 2.8 points above the national departure figure.

A year earlier, in September 2023, the airport had 411 departures with 84.2% leaving on time: a change of +3.0 points, with flights up 33%.

Flights arriving at RAP that month were on time 85.6% of the time (547 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 52%, extreme weather 19% and late-arriving aircraft 17%.

On time 87.2%
Arrived 15+ minutes late 12.6%
Cancelled 0.0%
Diverted 0.2%

Every scheduled departure from RAP in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	RAP, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	87.2%	84.2%	81.3%	84.4%
Arrived on time	87.2%	83.0%	78.4%	83.9%
Cancelled	0.0%	0.0%	1.3%	0.6%
Average departure delay (late minutes only)	11.6 min	10.3 min	17.2 min	10.6 min
Scheduled departures a day	18	14	16	19,421
Scheduled departures	547	411	5,669	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	226	41%	90.3%	-1.8 min	0.0%
MQ Envoy Air	123	22%	83.7%	3.4 min	0.0%
UA United Airlines	120	22%	94.2%	-6.7 min	0.0%
G4 Allegiant Air	39	7%	92.3%	-10.4 min	0.0%
AA American Airlines	30	5%	43.3%	69.4 min	0.0%
DL Delta Air Lines	9	2%	88.9%	-1.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RAP–DEN	Rapid City to Denver	210	94.8%	-7.3 min	0.0%
RAP–DFW	Rapid City to Dallas/Fort Worth	120	85.0%	2.2 min	0.0%
RAP–MSP	Rapid City to Minneapolis	88	88.6%	2.4 min	0.0%
RAP–ORD	Rapid City to Chicago	60	81.7%	4.1 min	0.0%
RAP–CLT	Rapid City to Charlotte	30	43.3%	69.4 min	0.0%
RAP–AZA	Rapid City to Phoenix	13	92.3%	-5.2 min	0.0%
RAP–LAS	Rapid City to Las Vegas	9	100.0%	-13.6 min	0.0%
RAP–SFB	Rapid City to Sanford	9	88.9%	-8.3 min	0.0%
RAP–LAX	Rapid City to Los Angeles	8	87.5%	-17.4 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	52.2%	38.6%	3,160
Late-arriving aircraft	16.7%	38.4%	1,011
National Aviation System	12.4%	18.2%	748
Extreme weather	18.7%	4.8%	1,130
Security	0.0%	0.1%	0

6,049 delay minutes on 69 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left RAP on time in September 2024?

87.2% of 547 scheduled domestic departures left less than 15 minutes late, and 87.2% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 84.2% of 411 departures left on time and 0.0% were cancelled, against 87.2% and 0.0% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for RAP · methodology · corrections.