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Route Reliability

HLN → Denver

HLN–DEN · 594 miles · HLN Airport to Denver International Airport

74
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
14 min
Average arrival delay
0.9%
Cancelled
874
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 77% of the time across 874 flights. No comparison to make.

What the data says

Morning flights do better here.

HLN–DEN flights departing between 6–9 AM arrived on time 90% of the time, versus 52% between 3–6 PM.

Friday is doing you no favors.

HLN–DEN flights arrived on time 82% of the time on Tuesdays. On Fridays: 71%.

Ticking up lately.

HLN–DEN flights arrived on time 92% of the time over the last three months in the data, compared with 86% in the three months before that.

Best historical flights

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

Top flights by on-time rate

The breakdown

On-time by weekday
  • Mon79%(124 flights)
  • Tue82%(118 flights)
  • Wed77%(123 flights)
  • Thu75%(121 flights)
  • Fri71%(122 flights)
  • Sat75%(120 flights)
  • Sun80%(127 flights)
On-time by departure window
  • 6–9 AM90%(361 flights)
  • 12–3 PM75%(353 flights)
  • 3–6 PM52%(141 flights)
On-time trend by month
94%
May

Jun 54% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%84
July 202551%86
August 202564%89
September 202575%89
October 202584%86
November 202586%58
December 202577%62
January 202692%62
February 202689%56
March 202690%61
April 202693%60
May 202694%62

Keep nerding

Based on 874 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.