Rapid City Regional in September 2023

84.2%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 2023, reporting carriers scheduled 411 domestic departures from Rapid City Regional (RAP). 84.2% left less than 15 minutes late and 83.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so RAP departures were 3.7 points above the national departure figure.

Flights arriving at RAP that month were on time 85.7% of the time (412 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, late-arriving aircraft 23% and national aviation system 19%.

On time 83.0%
Arrived 15+ minutes late 16.8%
Cancelled 0.0%
Diverted 0.2%

Every scheduled departure from RAP in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	RAP, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	84.2%	—	81.3%	80.5%
Arrived on time	83.0%	—	78.4%	80.1%
Cancelled	0.0%	—	1.3%	1.2%
Average departure delay (late minutes only)	10.3 min	—	17.2 min	14.1 min
Scheduled departures a day	14	—	16	18,978
Scheduled departures	411	—	5,669	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	163	40%	85.9%	1.6 min	0.0%
UA United Airlines	100	24%	84.0%	5.5 min	0.0%
MQ Envoy Air	93	23%	87.1%	1.1 min	0.0%
OH PSA Airlines	30	7%	60.0%	27.1 min	0.0%
G4 Allegiant Air	17	4%	58.8%	12.7 min	0.0%
9E Endeavor Air	4	1%	100.0%	-4.0 min	0.0%
DL Delta Air Lines	4	1%	100.0%	-14.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RAP–DEN	Rapid City to Denver	140	80.7%	6.5 min	0.0%
RAP–MSP	Rapid City to Minneapolis	89	89.9%	-0.7 min	0.0%
RAP–DFW	Rapid City to Dallas/Fort Worth	88	88.6%	-0.6 min	0.0%
RAP–ORD	Rapid City to Chicago	47	89.4%	1.1 min	0.0%
RAP–CLT	Rapid City to Charlotte	30	60.0%	27.1 min	0.0%
RAP–AZA	Rapid City to Phoenix	9	44.4%	23.6 min	0.0%
RAP–LAS	Rapid City to Las Vegas	8	75.0%	0.5 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	50.8%	36.4%	2,100
Late-arriving aircraft	23.3%	38.3%	961
National Aviation System	18.9%	19.9%	779
Extreme weather	7.0%	5.1%	291
Security	0.0%	0.2%	0

4,131 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 2023?

84.2% of 411 scheduled domestic departures left less than 15 minutes late, and 83.0% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; 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.