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Route Reliability

Memphis → Las Vegas

MEM–LAS · 1,416 miles · Memphis International Airport to Harry Reid International Airport

88
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
3 min
Average arrival delay
0.5%
Cancelled
638
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Spirit Airlines90%185 flights
  2. 2.Southwest Airlines81%329 flights
  3. 3.Allegiant Air71%105 flights

Not enough history to rank: Frontier Airlines (19 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

MEM–LAS flights departing between 6–9 AM arrived on time 96% of the time, versus 72% between 9 PM–12 AM.

Monday is the weak spot.

MEM–LAS flights arrived on time 90% of the time on Saturdays. On Mondays: 77%.

Spirit Airlines has a clear lead on this route.

Spirit Airlines arrived on time 90% of the time on this route; Allegiant Air managed 71%.

Recent months have been rougher.

MEM–LAS flights arrived on time 71% of the time over the last three months in the data, compared with 90% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(137 flights)
  • Tue84%(69 flights)
  • Wed84%(69 flights)
  • Thu82%(82 flights)
  • Fri79%(136 flights)
  • Sat90%(50 flights)
  • Sun84%(92 flights)
On-time by departure window
  • 6–9 AM96%(127 flights)
  • 9 AM–12 PM84%(25 flights)
  • 12–3 PM79%(185 flights)
  • 3–6 PM79%(142 flights)
  • 6–9 PM81%(53 flights)
  • 9 PM–12 AM72%(103 flights)
On-time trend by month
62%
May

Jun 75% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%67
July 202579%58
August 202589%64
September 202583%57
October 202578%69
November 202591%64
December 202588%57
January 202692%39
February 202689%36
March 202681%43
April 202669%42
May 202662%39

Keep nerding

Based on 638 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.