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Route Reliability

Dallas → Denver

DAL–DEN · 651 miles · Dallas Love Field to Denver International Airport

70
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
14 min
Average arrival delay
1.3%
Cancelled
3,017
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 70% of the time across 3,017 flights. No comparison to make.

What the data says

Morning-you made the right choice.

DAL–DEN flights departing between 6–9 AM arrived on time 86% of the time, versus 55% between 3–6 PM.

Skip Thursday if you can.

DAL–DEN flights arrived on time 74% of the time on Tuesdays. On Thursdays: 65%.

Recent months have been rougher.

DAL–DEN flights arrived on time 68% of the time over the last three months in the data, compared with 78% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon71%(448 flights)
  • Tue74%(402 flights)
  • Wed73%(403 flights)
  • Thu65%(443 flights)
  • Fri69%(446 flights)
  • Sat71%(362 flights)
  • Sun68%(466 flights)
On-time by departure window
  • 6–9 AM86%(648 flights)
  • 9 AM–12 PM80%(468 flights)
  • 12–3 PM73%(659 flights)
  • 3–6 PM55%(524 flights)
  • 6–9 PM57%(462 flights)
  • 9 PM–12 AM59%(209 flights)
On-time trend by month
59%
May

Jun 59% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%273
July 202564%281
August 202566%235
September 202570%223
October 202570%236
November 202577%222
December 202572%255
January 202683%240
February 202679%232
March 202673%269
April 202673%253
May 202659%251

Same trip, other airports

Keep nerding

Based on 3,017 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.