Southwest Wyoming Regional Airport (RKS): Delays & On-Time Performance
Data through July 2026
Southwest Wyoming Regional Airport (RKS) runs noticeably smoother than most US airports: 84% of its ~2 daily departures leave on time, 6 points above the national average, with an average departure delay of just 29 minutes. 1 airlines fly from Rock Springs, WY to 1 destinations.
- Departures on-time
- 84%
- left <15 min late
- Avg dep delay
- 29 min
- Arrivals on-time
- 77%
- Cancelled
- 0.6%
- Destinations
- 1
- nonstop
- Airlines
- 1
Plan your departure from RKS
The choices most likely to improve your odds, based on this airport’s historical record.
- Best day to fly
- Saturday
- 88% on-time
- Cancellation risk
- 0.6%
- below the US average
Monthly on-time trend
Best time of day to depart from RKS
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 30 min |
| Tuesday | 79% | 46 min |
| Wednesday | 81% | 28 min |
| Thursday | 81% | 32 min |
| Friday | 84% | 28 min |
| Saturdaybest | 88% | 22 min |
| Sunday | 83% | 25 min |
Busiest routes from RKS
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| RKS → DEN (Denver) | 728 | 82% | 30 min |
Where flights into RKS come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DEN (Denver) → RKS | 728 | 77% | 22 min |
What causes delays at RKS
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing RKS.
- Late-arriving aircraft23%
- Airline operations59%
- National airspace system12%
- Weather6%
Alternative airports near Rock Springs
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| RIW — Central Wyoming Regional Airport | 106 mi | 86% | 24 min |
Compare the airport-level record first, then check the exact route you plan to book.
Frequently asked questions
- How often are flights delayed at RKS?
- 16% of departures from Southwest Wyoming Regional Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 29 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at RKS?
- 0.6% of scheduled departures from RKS were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 1,519 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.