Southwest Wyoming Regional Airport (RKS) delays & on-time performance
Rock Springs, Wyoming · 1 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at RKS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
82%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
33 min
175 min when late
Departed on time
82%
avg taxi-out 20 min
Figures cover 728 departures from RKS; on-time is measured at arrival. Arrivals into RKS were on time 78% of the time.
Key facts
- Flights departing Southwest Wyoming Regional Airport (RKS) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 11% arrived an hour or more late.
- Departures scheduled around 5am did best (86% on time); around 1pm did worst (75%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (54%).
Most delayed routes from RKS
Lowest on-time arrival rates among regularly flown routes.
- DEN · Denver82%728 flts
Most reliable routes from RKS
Highest on-time arrival rates among regularly flown routes.
- DEN · Denver82%728 flts
Best airline at RKS
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 82% | 0.3% | 33 min | 1 | 728 |
Best time to fly out of RKS
On-time arrival rate by scheduled departure hour (local time).
- 5am86%364 flts
- 1pm75%112 flts
- 2pm78%252 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)54%
- Late-arriving aircraft30%
- Air traffic control & airport congestion9%
- Extreme weather7%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.