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WanderNerd

Route Reliability

Birmingham → Denver

BHMDEN · 1,083 miles · Birmingham–Shuttlesworth International Airport to Denver International Airport

89
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min
Average arrival delay
0.2%
Cancelled
1,166
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 Airlines82%438 flights

What the data says

Morning-you made the right choice.

BHM–DEN flights departing between 3–6 AM arrived on time 93% of the time, versus 53% between 6–9 PM.

Wednesday has been the better bet.

A small edge: 86% on time on Wednesdays against 80% on Mondays.

Not much between United Airlines and Southwest Airlines.

On this route they all land within 82% to 85% on time. Pick on schedule and price.

It basically never cancels.

Out of 1,166 scheduled flights, only 0.2% were cancelled.

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
  • Mon80%(167 flights)
  • Tue84%(167 flights)
  • Wed86%(167 flights)
  • Thu82%(165 flights)
  • Fri85%(169 flights)
  • Sat86%(154 flights)
  • Sun84%(170 flights)
On-time by departure window
  • 3–6 AM93%(89 flights)
  • 6–9 AM90%(436 flights)
  • 9 AM–12 PM84%(163 flights)
  • 12–3 PM84%(38 flights)
  • 3–6 PM78%(395 flights)
  • 6–9 PM53%(38 flights)
On-time trend by month
85%
May

Jun 71% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%89
July 202577%91
August 202576%91
September 202587%89
October 202588%93
November 202592%88
December 202583%93
January 202691%93
February 202694%84
March 202681%114
April 202683%116
May 202685%118

Based on 1,166 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.