RKS to DEN flight delays & on-time performance
Nonstop flights from Southwest Wyoming Regional Airport to Denver International Airport · 260 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at RKS or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Rock Springs (RKS) to Denver (DEN) 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.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5am did best (86% on time); around 1pm did worst (75%).
- Wednesday was the most reliable day to fly (85% on time) and Monday the least (78%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (54%).
Which airline is most on time from RKS to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 82% | 0.3% | 33 min | 11.1% | 728 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am86%364 flights
- 1pm75%112 flights
- 2pm78%252 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%0.0% cancelled
- Tuesday79%0.0% cancelled
- Wednesday85%1.9% cancelled
- Thursday84%0.0% cancelled
- Friday82%0.0% cancelled
- Saturday85%0.0% cancelled
- Sunday81%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)54%
- Late-arriving aircraft30%
- Air traffic control & airport congestion9%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
RKS to DEN: common questions
- How often are RKS to DEN flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Rock Springs to Denver cancelled?
- 0.3% of scheduled flights were cancelled (2 of 728).
- How long are typical delays?
- Across all flights the average arrival delay was 33 min (early arrivals count as zero). Flights that were late arrived 175 min behind schedule on average, and 11.1% of flights were an hour or more late.
- How long is taxi time at RKS?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: RKS → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.