Rapid City Regional in December 2025

80.0%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 2025, reporting carriers scheduled 330 domestic departures from Rapid City Regional (RAP). 80.0% left less than 15 minutes late and 76.7% reached their destination on time; 0.0% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so RAP departures were 8.0 points above the national departure figure.

A year earlier, in December 2024, the airport had 454 departures with 87.0% leaving on time: a change of −7.0 points, with flights down 27%.

Flights arriving at RAP that month were on time 75.8% of the time (331 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 27% and extreme weather 17%.

On time 76.7%
Arrived 15+ minutes late 23.0%
Cancelled 0.0%
Diverted 0.3%

Every scheduled departure from RAP in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	RAP, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	80.0%	87.0%	81.3%	72.0%
Arrived on time	76.7%	80.0%	78.4%	71.9%
Cancelled	0.0%	0.0%	1.3%	1.5%
Average departure delay (late minutes only)	25.2 min	15.4 min	17.2 min	21.2 min
Scheduled departures a day	11	15	16	19,410
Scheduled departures	330	454	5,669	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	195	59%	77.9%	11.0 min	0.0%
MQ Envoy Air	62	19%	80.6%	23.2 min	0.0%
G4 Allegiant Air	40	12%	70.0%	3.9 min	0.0%
UA United Airlines	33	10%	69.7%	9.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RAP–DEN	Rapid City to Denver	213	76.5%	11.2 min	0.0%
RAP–DFW	Rapid City to Dallas/Fort Worth	62	80.6%	23.2 min	0.0%
RAP–AZA	Rapid City to Phoenix	24	66.7%	6.4 min	0.0%
RAP–LAS	Rapid City to Las Vegas	16	75.0%	0.2 min	0.0%
RAP–ORD	Rapid City to Chicago	15	80.0%	6.5 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	27.3%	33.3%	2,203
Late-arriving aircraft	42.1%	41.1%	3,397
National Aviation System	13.2%	19.1%	1,064
Extreme weather	17.4%	6.4%	1,407
Security	0.0%	0.2%	0

8,071 delay minutes on 76 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 2025?

80.0% of 330 scheduled domestic departures left less than 15 minutes late, and 76.7% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 87.0% of 454 departures left on time and 0.0% were cancelled, against 80.0% and 0.0% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; 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.