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Route Reliability

Denver → Hartford

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

76
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
10 min
Average arrival delay
1.5%
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 Airlines81%728 flights
  2. 2.Southwest Airlines53%224 flights

What the data says

Morning flights do better here.

DEN–BDL flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 64% between 3–6 PM.

Thursday is the weak spot.

DEN–BDL flights arrived on time 83% of the time on Wednesdays. On Thursdays: 69%.

United Airlines has a clear lead on this route.

United Airlines arrived on time 81% of the time on this route; Southwest Airlines managed 53%.

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%(133 flights)
  • Tue74%(128 flights)
  • Wed83%(126 flights)
  • Thu69%(132 flights)
  • Fri70%(137 flights)
  • Sat81%(142 flights)
  • Sun76%(139 flights)
On-time by departure window
  • 9 AM–12 PM88%(370 flights)
  • 12–3 PM82%(17 flights)
  • 3–6 PM64%(385 flights)
  • 6–9 PM69%(165 flights)
On-time trend by month
76%
May

Jun 65% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%89
July 202561%92
August 202566%91
September 202567%89
October 202575%92
November 202581%79
December 202572%79
January 202687%71
February 202688%69
March 202680%64
April 202692%60
May 202676%62

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.