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Route Reliability

PIA → Denver

PIA–DEN · 793 miles · PIA Airport to Denver International Airport

69
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
14 min
Average arrival delay
1.4%
Cancelled
434
Flights in the data

Data through May 2026.

Airlines on this route

  • United Airlines72% on time · 365 flights
  • Allegiant Air69% on time · 69 flights

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

What the data says

The 6–9 AM departure wins.

PIA–DEN flights departing between 6–9 AM arrived on time 80% of the time, versus 50% between 9 AM–12 PM.

Friday is doing you no favors.

PIA–DEN flights arrived on time 78% of the time on Sundays. On Fridays: 65%.

Trending in the right direction.

PIA–DEN flights arrived on time 68% of the time over the last three months in the data, compared with 52% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon69%(84 flights)
  • Tue72%(50 flights)
  • Wed76%(53 flights)
  • Thu70%(54 flights)
  • Fri65%(80 flights)
  • Sat74%(50 flights)
  • Sun78%(54 flights)
On-time by departure window
  • 6–9 AM80%(263 flights)
  • 9 AM–12 PM50%(101 flights)
  • 12–3 PM—(8 flights)
  • 3–6 PM66%(53 flights)
On-time trend by month
86%
May

Jun 74% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%38
July 202577%39
August 202570%40
September 202592%39
October 202583%40
November 202584%38
December 202551%39
January 202664%33
February 202641%27
March 202621%28
April 202697%29
May 202686%35

Keep nerding

Based on 434 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.