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Route Reliability

Denver → BIS

DEN–BIS · 516 miles · Denver International Airport to BIS Airport

77
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
13 min
Average arrival delay
1.0%
Cancelled
1,536
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 76% of the time across 1,536 flights. No comparison to make.

What the data says

Morning flights do better here.

DEN–BIS flights departing between 6–9 AM arrived on time 83% of the time, versus 64% between 3–6 PM.

Monday is the weak spot.

DEN–BIS flights arrived on time 84% of the time on Wednesdays. On Mondays: 70%.

Trending in the right direction.

DEN–BIS flights arrived on time 81% of the time over the last three months in the data, compared with 73% 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

More flights on this route

The breakdown

On-time by weekday
  • Mon70%(223 flights)
  • Tue80%(219 flights)
  • Wed84%(223 flights)
  • Thu76%(217 flights)
  • Fri74%(218 flights)
  • Sat78%(189 flights)
  • Sun72%(225 flights)
On-time by departure window
  • 6–9 AM83%(108 flights)
  • 9 AM–12 PM83%(360 flights)
  • 12–3 PM81%(358 flights)
  • 3–6 PM64%(246 flights)
  • 6–9 PM72%(440 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
82%
May

Jun 68% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%144
July 202570%150
August 202566%151
September 202579%137
October 202582%119
November 202592%113
December 202570%120
January 202672%118
February 202678%106
March 202682%116
April 202678%119
May 202682%121

Keep nerding

Based on 1,536 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.