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WanderNerd

Route Reliability

Phoenix → Las Vegas

PHXLAS · 255 miles · Phoenix Sky Harbor International Airport to Harry Reid International Airport

83
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
7 min
Average arrival delay
1.0%
Cancelled
6,055
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Frontier Airlines83%871 flights
  2. 2.American Airlines80%1,714 flights
  3. 3.Southwest Airlines79%3,448 flights

Not enough history to rank: Spirit Airlines (22 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

PHX–LAS flights departing between 3–6 AM arrived on time 96% of the time, versus 69% between 3–6 PM.

Sunday scaries are real for this one.

PHX–LAS flights arrived on time 89% of the time on Saturdays. On Sundays: 75%.

Frontier Airlines has a slight edge here.

Frontier Airlines arrived on time 83% of the time on this route; Southwest Airlines managed 79%.

Slipping a little lately.

PHX–LAS flights arrived on time 78% of the time over the last three months in the data, compared with 82% in the three months before that.

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
  • Mon77%(925 flights)
  • Tue82%(794 flights)
  • Wed84%(795 flights)
  • Thu75%(914 flights)
  • Fri78%(901 flights)
  • Sat89%(731 flights)
  • Sun75%(930 flights)
On-time by departure window
  • 3–6 AM96%(168 flights)
  • 6–9 AM93%(1208 flights)
  • 9 AM–12 PM85%(1199 flights)
  • 12–3 PM77%(924 flights)
  • 3–6 PM69%(876 flights)
  • 6–9 PM71%(1034 flights)
  • 9 PM–12 AM73%(581 flights)
On-time trend by month
77%
May

Jun 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%502
July 202578%491
August 202585%460
September 202583%422
October 202578%542
November 202575%487
December 202578%495
January 202683%504
February 202686%480
March 202678%536
April 202680%527
May 202677%544

Based on 6,055 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.