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Route Reliability

Denver → IDA

DEN–IDA · 458 miles · Denver International Airport to IDA Airport

84
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
8 min
Average arrival delay
0.7%
Cancelled
1,751
Flights in the data

Data through May 2026.

Airlines on this route

  • United Airlines80% on time · 1,724 flights
  • Allegiant Air70% on time · 27 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

DEN–IDA flights departing between 6–9 AM arrived on time 88% of the time, versus 71% between 9 PM–12 AM.

Monday comes out ahead.

A small edge: 82% on time on Mondays against 76% on Thursdays.

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
  • Mon82%(250 flights)
  • Tue79%(233 flights)
  • Wed82%(245 flights)
  • Thu76%(257 flights)
  • Fri78%(242 flights)
  • Sat81%(236 flights)
  • Sun79%(270 flights)
On-time by departure window
  • 12–3 AM—(2 flights)
  • 6–9 AM88%(358 flights)
  • 9 AM–12 PM84%(364 flights)
  • 12–3 PM81%(298 flights)
  • 3–6 PM75%(186 flights)
  • 6–9 PM71%(358 flights)
  • 9 PM–12 AM71%(167 flights)
On-time trend by month
84%
May

Jun 63% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%163
July 202567%189
August 202576%185
September 202586%163
October 202588%145
November 202591%141
December 202579%136
January 202683%129
February 202686%110
March 202677%119
April 202683%119
May 202684%134

Keep nerding

Based on 1,751 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.