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Route Reliability

Dallas → Las Vegas

DAL–LAS · 1,067 miles · Dallas Love Field to Harry Reid International Airport

80
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
7 min
Average arrival delay
1.2%
Cancelled
2,881
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 77% of the time across 2,881 flights. No comparison to make.

What the data says

Morning flights do better here.

DAL–LAS flights departing between 6–9 AM arrived on time 94% of the time, versus 53% between 9 PM–12 AM.

Thursday is the weak spot.

DAL–LAS flights arrived on time 82% of the time on Wednesdays. On Thursdays: 73%.

Recent months have been rougher.

DAL–LAS flights arrived on time 72% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(433 flights)
  • Tue81%(380 flights)
  • Wed82%(382 flights)
  • Thu73%(442 flights)
  • Fri75%(440 flights)
  • Sat76%(304 flights)
  • Sun77%(457 flights)
On-time by departure window
  • 6–9 AM94%(656 flights)
  • 9 AM–12 PM83%(583 flights)
  • 12–3 PM77%(471 flights)
  • 3–6 PM69%(481 flights)
  • 6–9 PM65%(471 flights)
  • 9 PM–12 AM53%(176 flights)
On-time trend by month
66%
May

Jun 71% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%249
July 202576%251
August 202581%208
September 202584%197
October 202579%252
November 202579%250
December 202581%256
January 202681%213
February 202682%210
March 202683%247
April 202669%249
May 202666%256

Same trip, other airports

Keep nerding

Based on 2,881 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.