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WanderNerd

Route Reliability

Las Vegas → Memphis

LASMEM · 1,416 miles · Harry Reid International Airport to Memphis International Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
5 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.Allegiant Air85%105 flights
  3. 3.Southwest Airlines75%329 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.

LAS–MEM flights departing between 6–9 AM arrived on time 95% of the time, versus 63% between 6–9 PM.

Monday comes out ahead.

A small edge: 84% on time on Mondays against 78% on Fridays.

Spirit Airlines has a clear lead on this route.

Spirit Airlines arrived on time 90% of the time on this route; Southwest Airlines managed 75%.

Recent months have been rougher.

LAS–MEM flights arrived on time 71% 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
  • Mon84%(138 flights)
  • Tue80%(65 flights)
  • Wed82%(68 flights)
  • Thu80%(86 flights)
  • Fri78%(134 flights)
  • Sat82%(50 flights)
  • Sun79%(92 flights)
On-time by departure window
  • 6–9 AM95%(103 flights)
  • 9 AM–12 PM85%(124 flights)
  • 12–3 PM72%(216 flights)
  • 3–6 PM83%(160 flights)
  • 6–9 PM63%(30 flights)
On-time trend by month
64%
May

Jun 82% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%67
July 202575%60
August 202582%61
September 202598%57
October 202587%69
November 202586%64
December 202577%57
January 202682%39
February 202674%35
March 202674%43
April 202674%42
May 202664%39

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.