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Route Reliability

Denver → SUX

DEN–SUX · 466 miles · Denver International Airport to SUX Airport

81
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
3 min
Average arrival delay
1.7%
Cancelled
483
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 483 flights. No comparison to make.

What the data says

Morning flights do better here.

DEN–SUX flights departing between 6–9 AM arrived on time 92% of the time, versus 48% between 12–3 PM.

Mondays have been rough.

DEN–SUX flights arrived on time 90% of the time on Wednesdays and just 72% on Mondays. That gap is worth planning around.

Ticking up lately.

DEN–SUX flights arrived on time 89% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon72%(72 flights)
  • Tue85%(65 flights)
  • Wed90%(62 flights)
  • Thu90%(70 flights)
  • Fri77%(70 flights)
  • Sat86%(62 flights)
  • Sun79%(71 flights)
On-time by departure window
  • 6–9 AM92%(143 flights)
  • 12–3 PM48%(25 flights)
  • 3–6 PM77%(188 flights)
  • 6–9 PM75%(12 flights)
  • 9 PM–12 AM89%(104 flights)
On-time trend by month
85%
May

Jun 47% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%30
July 202560%30
August 202567%30
September 202593%30
October 202590%31
November 202590%29
December 202566%29
January 202693%56
February 202689%55
March 202690%60
April 202691%46
May 202685%46

Keep nerding

Based on 483 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.