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Route Reliability

Hartford → Denver

BDL–DEN · 1,671 miles · Bradley International Airport to Denver International Airport

82
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
1.3%
Cancelled
952
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines85%728 flights
  2. 2.Southwest Airlines84%224 flights

What the data says

Morning flights do better here.

BDL–DEN flights departing between 9 AM–12 PM arrived on time 96% of the time, versus 73% between 12–3 PM.

Saturday is the weak spot.

BDL–DEN flights arrived on time 90% of the time on Wednesdays. On Saturdays: 78%.

Not much between United Airlines and Southwest Airlines.

On this route they all land within 84% to 85% on time. Pick on schedule and price.

Ticking up lately.

BDL–DEN flights arrived on time 85% of the time over the last three months in the data, compared with 80% 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
  • Mon89%(131 flights)
  • Tue88%(125 flights)
  • Wed90%(125 flights)
  • Thu87%(127 flights)
  • Fri85%(137 flights)
  • Sat78%(142 flights)
  • Sun79%(139 flights)
On-time by departure window
  • 3–6 AM92%(48 flights)
  • 6–9 AM92%(447 flights)
  • 9 AM–12 PM96%(23 flights)
  • 12–3 PM73%(41 flights)
  • 3–6 PM78%(362 flights)
  • 6–9 PM—(5 flights)
On-time trend by month
89%
May

Jun 81% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%84
July 202584%88
August 202580%89
September 202590%89
October 202595%92
November 202594%78
December 202575%79
January 202683%71
February 202682%71
March 202683%64
April 202685%60
May 202689%61

Keep nerding

Based on 952 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.