Southwest Wyoming Regional Airport
Daylight today(Aug 30, 2026, local time)
About 13h 13m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Southwest Wyoming Regional Airport
Southwest Wyoming Regional Airport is eight miles east of Rock Springs, in Sweetwater County, Wyoming, United States. It is operated by the Rock Springs-Sweetwater County Joint Powers Airport Board, with a total of five members, two appointed by the City of Rock Springs and three appointed by Sweetwater County. The airport has twice-daily United Express flights to Denver International Airport.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KRKSNOTAMs
KRKSReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 09 / 27 | 10,002 ft / 3,049 m | 150 ft | Asp | Lighted | Open |
| 03 / 21 | 5,228 ft / 1,593 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (3)
| Type | Description | Frequency |
|---|---|---|
| ASOS | ASOS | 118.375 MHz |
| RDO | CASPER RDO | 122.600 MHz |
| UNIC | CTAF/UNICOM | 122.800 MHz |
Navaids(2)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Takeoff & alternate minimums (2)
Showing 7 of 8 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| ROCK SPRINGS CLASS E2 | Class E | Controlled | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: W (from about 270°), on 22% of observations, averaging 14 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 85% | 5,822 ft | |
| Feb | 87% | 6,021 ft | |
| Mar | 86% | 6,462 ft | |
| Apr | 89% | 6,885 ft | |
| May | 92% | 7,477 ft | |
| Jun | 99% | 8,326 ft | |
| Jul | 100% | 8,764 ft | |
| Aug | 98% | 8,504 ft | |
| Sep | 98% | 8,009 ft | |
| Oct | 92% | 7,023 ft | |
| Nov | 90% | 6,380 ft | |
| Dec | 85% | 5,924 ft |
VFR MVFR IFR LIFR· density altitude ranges ~5,822–8,764 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from Southwest Wyoming Regional Airport.
Frequently asked questions
What is the ICAO code for Southwest Wyoming Regional Airport?
The ICAO code for Southwest Wyoming Regional Airport is KRKS, and its IATA code is RKS.
Where is Southwest Wyoming Regional Airport located?
Southwest Wyoming Regional Airport is medium airport located in Rock Springs, United States, at an elevation of 6,764 ft (2,062 m).
How many runways does Southwest Wyoming Regional Airport have?
Southwest Wyoming Regional Airport has 2 runways, the longest being 10,002 ft / 3,049 m.
Which airlines fly to Southwest Wyoming Regional Airport?
Airlines historically serving Southwest Wyoming Regional Airport include Delta Air Lines, United Airlines (based on OpenFlights route data, which may be out of date).
How many destinations are served from Southwest Wyoming Regional Airport?
Historical data lists 3 nonstop destinations from Southwest Wyoming Regional Airport. Always check current schedules.
What time zone is Southwest Wyoming Regional Airport in?
Southwest Wyoming Regional Airport is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Southwest Wyoming Regional Airport?
The magnetic variation (declination) at Southwest Wyoming Regional Airport is approximately 9.7° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Southwest Wyoming Regional Airport?
The nearest airport to Southwest Wyoming Regional Airport is Greater Green River Intergalactic Spaceport (48U), about 20.8 nm to the wsw, followed by Farson Airport and Kastler Compressor Station Airport.
Is the information on this page suitable for flight planning?
No. Southwest Wyoming Regional Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.