Rapid City Regional in December 2024

87.0%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 December 2024, reporting carriers scheduled 454 domestic departures from Rapid City Regional (RAP). 87.0% left less than 15 minutes late and 80.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so RAP departures were 9.2 points above the national departure figure.

A year earlier, in December 2023, the airport had 335 departures with 86.3% leaving on time: a change of +0.7 points, with flights up 36%.

Flights arriving at RAP that month were on time 85.9% of the time (455 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 49%, late-arriving aircraft 36% and national aviation system 14%.

On time 80.0%
Arrived 15+ minutes late 20.0%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Dec 2024	Dec 2023	RAP, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	87.0%	86.3%	81.3%	77.8%
Arrived on time	80.0%	85.7%	78.4%	78.1%
Cancelled	0.0%	3.9%	1.3%	0.7%
Average departure delay (late minutes only)	15.4 min	11.5 min	17.2 min	16.6 min
Scheduled departures a day	15	11	16	19,686
Scheduled departures	454	335	5,669	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	184	41%	79.9%	10.5 min	0.0%
MQ Envoy Air	91	20%	75.8%	13.8 min	0.0%
9E Endeavor Air	90	20%	84.4%	-3.4 min	0.0%
G4 Allegiant Air	58	13%	86.2%	-9.0 min	0.0%
UA United Airlines	31	7%	67.7%	6.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RAP–DEN	Rapid City to Denver	200	79.0%	9.9 min	0.0%
RAP–DFW	Rapid City to Dallas/Fort Worth	91	75.8%	13.8 min	0.0%
RAP–MSP	Rapid City to Minneapolis	90	84.4%	-3.4 min	0.0%
RAP–AZA	Rapid City to Phoenix	25	76.0%	2.2 min	0.0%
RAP–ORD	Rapid City to Chicago	15	66.7%	10.7 min	0.0%
RAP–LAS	Rapid City to Las Vegas	14	100.0%	-23.2 min	0.0%
RAP–LAX	Rapid City to Los Angeles	10	90.0%	-6.5 min	0.0%
RAP–SFB	Rapid City to Sanford	9	88.9%	-20.7 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	48.9%	34.3%	3,441
Late-arriving aircraft	35.5%	40.2%	2,499
National Aviation System	13.8%	17.8%	969
Extreme weather	1.9%	7.5%	134
Security	0.0%	0.2%	0

7,043 delay minutes on 91 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 December 2024?

87.0% of 454 scheduled domestic departures left less than 15 minutes late, and 80.0% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 86.3% of 335 departures left on time and 3.9% were cancelled, against 87.0% and 0.0% in December 2024.

Provenance

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