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Route Reliability

IDA → Denver

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

81
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
7 min
Average arrival delay
0.9%
Cancelled
1,752
Flights in the data

Data through May 2026.

Airlines on this route

  • United Airlines80% on time · 1,725 flights
  • Allegiant Air38% 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.

IDA–DEN flights departing between 3–6 AM arrived on time 90% of the time, versus 51% between 6–9 PM.

Thursday is the weak spot.

IDA–DEN flights arrived on time 83% of the time on Wednesdays. On Thursdays: 75%.

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
  • Mon80%(250 flights)
  • Tue78%(234 flights)
  • Wed83%(245 flights)
  • Thu75%(253 flights)
  • Fri78%(243 flights)
  • Sat80%(233 flights)
  • Sun81%(268 flights)
On-time by departure window
  • 3–6 AM90%(183 flights)
  • 6–9 AM87%(373 flights)
  • 9 AM–12 PM89%(363 flights)
  • 12–3 PM78%(360 flights)
  • 3–6 PM64%(398 flights)
  • 6–9 PM51%(47 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
86%
May

Jun 72% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%160
July 202560%185
August 202568%183
September 202581%163
October 202588%145
November 202591%142
December 202579%135
January 202689%130
February 202687%110
March 202680%121
April 202687%119
May 202686%133

Keep nerding

Based on 1,752 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.