Airports › South Dakota
Airport · 12 months to July 2026
Rapid City Regional: delays and on-time record
Rapid City, South Dakota
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. Data through July 2026; this is a monthly history, not live airport status.
Rapid City Regional (RAP) in Rapid City, South Dakota had 5,669 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 16 a day, on 11 routes.
81.3% of those flights left the gate less than 15 minutes late, 5.2 points above the national departure figure of 76.1%. Flights arriving at RAP were on time 77.9% of the time, 1.9 points above the national arrival figure of 76.0%.
1.3% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 17.2 min.
SkyWest Airlines is the largest reporting carrier at RAP with 51% of departures. Among carriers with at least 120 departures, United Airlines had the highest on-time arrival share for its RAP departures (80.7%) and Allegiant Air the lowest (70.4%).
On-time departures are up 0.6 points on the previous 12 months (80.7%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving RAP, air carrier 40%, late-arriving aircraft 28% and national aviation system 20%.
- On time 78.4%
- Arrived 15+ minutes late 19.8%
- Cancelled 1.3%
- Diverted 0.5%
As origin and as destination, against the nation
| Measure | Departures from RAP | Arrivals at RAP | All reported flights | RAP departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 81.3% | 80.7% | 76.1% | 80.7% |
| Arrived on time | 78.4% | 77.9% | 76.0% | 77.1% |
| Cancelled | 1.3% | 1.2% | 1.8% | 1.3% |
| Diverted | 0.5% | 0.3% | 0.3% | 0.4% |
| Average departure delay (late minutes only) | 17.2 min | 14.0 min | 17.4 min | 17.3 min |
| Arrival delay minutes per 100 flights | 1,762 | 1,441 | 1,684 | 1,840 |
| Scheduled flights | 5,669 | 5,670 | 7,043,858 | 5,619 |
12 months to July 2026. The first column follows flights that left RAP; the second follows flights that landed there. Year on year, on-time departures moved +0.6 pts.
Airlines at RAP
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 2,899 | 51% | 78.4% | 6.5 min | 1.2% |
| MQ Envoy Air | 1,399 | 25% | 79.8% | 4.6 min | 1.6% |
| UA United Airlines | 937 | 17% | 80.7% | 4.7 min | 1.0% |
| G4 Allegiant Air | 338 | 6% | 70.4% | 16.2 min | 0.0% |
| OH PSA Airlines | 71 | 1% | 52.1% | 20.8 min | 7.0% |
Departures from RAP by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 78.4%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from RAP
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| RAP–DEN | Rapid City to Denver | 2,867 | 79.1% | 4.7 min | 1.1% |
| RAP–DFW | Rapid City to Dallas/Fort Worth | 1,006 | 81.4% | 3.3 min | 1.9% |
| RAP–ORD | Rapid City to Chicago | 692 | 71.1% | 17.1 min | 1.7% |
| RAP–MSP | Rapid City to Minneapolis | 537 | 85.3% | 2.3 min | 0.6% |
| RAP–AZA | Rapid City to Phoenix | 197 | 75.6% | 10.0 min | 0.0% |
| RAP–CLT | Rapid City to Charlotte | 138 | 66.7% | 10.1 min | 3.6% |
| RAP–LAS | Rapid City to Las Vegas | 111 | 64.0% | 23.1 min | 0.0% |
| RAP–PHX | Rapid City to Phoenix | 58 | 87.9% | -5.6 min | 0.0% |
| RAP–SFB | Rapid City to Sanford | 30 | 60.0% | 32.2 min | 0.0% |
| RAP–ATL | Rapid City to Atlanta | 23 | 87.0% | -0.1 min | 0.0% |
The 10 busiest of 11 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 113 departures, 5 am to 6 am had the highest on-time share (91.5% of 540 flights) and 5 pm to 6 pm the lowest (70.9% of 327).
Delay causes
Cancellations by reported reason (71 in the period): air carrier 13%, weather 70%, national aviation system 17%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for RAP on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave RAP on time?
81.3% of the 5,669 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 1.3% were cancelled.
How often do flights arrive at RAP on time?
77.9% of 5,670 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at RAP?
Counting departures from RAP and whether they reached their destination on time, United Airlines had the highest share (80.7% of 937 flights), then Envoy Air (79.8%) and SkyWest Airlines (78.4%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at RAP?
For departures from RAP that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 40%, late-arriving aircraft 28%, national aviation system 20%, extreme weather 12%, security 0%.
What time of day has the highest on-time share at RAP?
Departures scheduled from 5 am to 6 am local time left on time 91.5% of the time, the highest of any hour with enough flights to compare; 5 pm to 6 pm was lowest at 70.9%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 81.3%, up 0.6 points on the previous 12 months (80.7%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at RAP?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.