Skip to content
WanderNerd
Check a flight

Route Reliability

Denver → Dallas

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

72
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
13 min
Average arrival delay
1.2%
Cancelled
3,014
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 72% of the time across 3,014 flights. No comparison to make.

What the data says

Morning-you made the right choice.

DEN–DAL flights departing between 3–6 AM arrived on time 97% of the time, versus 51% between 6–9 PM.

Sunday scaries are real for this one.

DEN–DAL flights arrived on time 77% of the time on Wednesdays. On Sundays: 67%.

Recent months have been rougher.

DEN–DAL flights arrived on time 72% of the time over the last three months in the data, compared with 79% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon74%(447 flights)
  • Tue73%(401 flights)
  • Wed77%(399 flights)
  • Thu69%(442 flights)
  • Fri70%(448 flights)
  • Sat76%(363 flights)
  • Sun67%(460 flights)
On-time by departure window
  • 3–6 AM97%(159 flights)
  • 6–9 AM93%(558 flights)
  • 9 AM–12 PM81%(518 flights)
  • 12–3 PM71%(607 flights)
  • 3–6 PM61%(425 flights)
  • 6–9 PM51%(693 flights)
On-time trend by month
66%
May

Jun 62% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%276
July 202564%283
August 202563%236
September 202575%223
October 202574%233
November 202577%226
December 202570%253
January 202684%236
February 202684%230
March 202676%264
April 202673%250
May 202666%250

Same trip, other airports

Keep nerding

Based on 3,014 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.