DEN to RIW flight delays & on-time performance
Nonstop flights from Denver International Airport to Central Wyoming Regional Airport · 296 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or RIW 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 Riverton/Lander (RIW) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.7% were cancelled, and 6% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (85% on time); around 8pm did worst (74%).
- Saturday was the most reliable day to fly (88% on time) and Friday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (47%).
Which airline is most on time from DEN to RIW?
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% | 0.7% | 18 min | 6.1% | 728 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm85%363 flights
- 8pm74%103 flights
- 9pm80%260 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday87%0.0% cancelled
- Tuesday82%1.0% cancelled
- Wednesday80%1.0% cancelled
- Thursday80%0.0% cancelled
- Friday72%1.9% cancelled
- Saturday88%0.0% cancelled
- Sunday83%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.
- Late-arriving aircraft47%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion13%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather80%
- Air traffic control & airport congestion20%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
DEN to RIW: common questions
- How often are DEN to RIW 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 Denver to Riverton/Lander cancelled?
- 0.7% of scheduled flights were cancelled (5 of 728).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 93 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: RIW to DEN — 83% on time
More flights from Denver
More flights to Riverton/Lander
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → RIW, nonstop flights by US airlines that report to the DOT. How we calculate this.