BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DEN→RIW

Denver, CO (DEN) to Riverton/Lander, WY (RIW) flight delay odds

80.9% of 728 official scheduled DEN-to-RIW flights arrived on time; 11.4% arrived at least 30 minutes late and 0.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.9%arrived on time
11.4%30+ min late
0.7%cancelled
728scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.2%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+9.1 mincompleted flights

Which departure time was most reliable for DEN to RIW?

Among qualifying DEN-to-RIW departure window results, Afternoon had the highest on-time rate: 84.4% of 365 flights. Night was lowest at 77.0% across 291 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon36584.4%7.9%0.5%
Evening7279.2%16.7%1.4%
Night29177.0%14.4%0.7%

Which weekday was most reliable for DEN to RIW?

Among qualifying DEN-to-RIW weekday results, Saturday had the highest on-time rate: 87.5% of 104 flights. Friday was lowest at 70.2% across 104 flights.

DayFlightsOn time30+ minCancelled
Monday10486.5%8.7%0.0%
Tuesday10678.3%11.3%0.9%
Wednesday10380.6%12.6%0.0%
Thursday10379.6%10.7%1.0%
Friday10470.2%20.2%1.9%
Saturday10487.5%6.7%0.0%
Sunday10483.7%9.6%1.0%

Which airline was most reliable for DEN to RIW?

Only SkyWest Airlines met the DEN-to-RIW airline threshold: 80.9% of 728 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines72880.9%11.4%0.7%

Which month was most reliable for DEN to RIW?

Among qualifying DEN-to-RIW month results, November 2025 had the highest on-time rate: 93.2% of 59 flights. August 2025 was lowest at 69.4% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256269.4%19.4%1.6%
August 20256269.4%17.7%1.6%
September 20256091.7%5.0%0.0%
October 20256288.7%6.5%0.0%
November 20255993.2%3.4%0.0%
December 20256280.6%11.3%0.0%
January 20266280.6%14.5%0.0%
February 20265581.8%10.9%1.8%
March 20266279.0%9.7%3.2%
April 20266080.0%10.0%0.0%
May 20266282.3%9.7%0.0%
June 20266075.0%18.3%0.0%

What drove DEN to RIW delay minutes?

Late aircraft was the largest recorded DEN-to-RIW delay category, accounting for 48.9% of 12,197 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.7%
Late aircraft48.9%
National airspace13.0%
Weather5.4%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.