DEN to RKS flight delays & on-time performance
Nonstop flights from Denver International Airport to Southwest Wyoming Regional Airport · 260 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or RKS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Rock Springs (RKS) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0.5% were cancelled, and 7% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (81% on time); around 11am did worst (68%).
- Tuesday was the most reliable day to fly (88% on time) and Friday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
Which airline is most on time from DEN to RKS?
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. | 78% | 0.5% | 21 min | 7.2% | 728 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am68%23 flights
- 12pm81%340 flights
- 8pm78%101 flights
- 9pm75%263 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday88%1.9% cancelled
- Wednesday83%0.0% cancelled
- Thursday77%0.0% cancelled
- Friday71%0.0% cancelled
- Saturday80%1.0% cancelled
- Sunday75%1.0% 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)48%
- Late-arriving aircraft30%
- Air traffic control & airport congestion17%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
DEN to RKS: common questions
- How often are DEN to RKS flights on time?
- 78% 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 Denver to Rock Springs cancelled?
- 0.5% of scheduled flights were cancelled (4 of 728).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 91 min behind schedule on average, and 7.2% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: RKS to DEN — 82% on time
More flights from Denver
More flights to Rock Springs
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → RKS, nonstop flights by US airlines that report to the DOT. How we calculate this.