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Route Reliability

Denver → RIW

DEN–RIW · 296 miles · Denver International Airport to RIW Airport

86
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
9 min
Average arrival delay
0.7%
Cancelled
728
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 728 flights. No comparison to make.

What the data says

The late departure is the smart one here.

DEN–RIW flights departing between 6–9 PM arrived on time 93% of the time, versus 76% between 9 AM–12 PM.

Friday is doing you no favors.

DEN–RIW flights arrived on time 89% of the time on Saturdays and just 72% on Fridays. That gap is worth planning around.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon86%(103 flights)
  • Tue78%(103 flights)
  • Wed82%(103 flights)
  • Thu79%(102 flights)
  • Fri72%(102 flights)
  • Sat89%(104 flights)
  • Sun85%(104 flights)
On-time by departure window
  • 9 AM–12 PM76%(25 flights)
  • 12–3 PM86%(337 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM93%(41 flights)
  • 9 PM–12 AM76%(317 flights)
On-time trend by month
84%
May

Jun 68% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%60
July 202571%61
August 202571%61
September 202592%60
October 202589%62
November 202593%59
December 202582%62
January 202681%62
February 202685%54
March 202682%60
April 202683%58
May 202684%62

Keep nerding

Based on 728 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.