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WanderNerd

Route Reliability

Nashville → Las Vegas

BNALAS · 1,587 miles · Nashville International Airport to Harry Reid International Airport

83
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
3 min
Average arrival delay
0.9%
Cancelled
2,016
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines79%1,737 flights
  2. 2.Spirit Airlines79%273 flights

Not enough history to rank: American Airlines (2 flights), Delta Air Lines (2 flights), Allegiant Air (2 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

BNA–LAS flights departing between 3–6 AM arrived on time 97% of the time, versus 67% between 9 PM–12 AM.

Friday is doing you no favors.

BNA–LAS flights arrived on time 82% of the time on Tuesdays. On Fridays: 75%.

Not much between Southwest Airlines and Spirit Airlines.

On this route they all land within 79% to 79% on time. Pick on schedule and price.

Recent months have been rougher.

BNA–LAS flights arrived on time 72% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(298 flights)
  • Tue82%(293 flights)
  • Wed80%(280 flights)
  • Thu78%(295 flights)
  • Fri75%(297 flights)
  • Sat81%(235 flights)
  • Sun79%(298 flights)
On-time by departure window
  • 3–6 AM97%(286 flights)
  • 6–9 AM93%(299 flights)
  • 9 AM–12 PM91%(110 flights)
  • 12–3 PM76%(357 flights)
  • 3–6 PM70%(294 flights)
  • 6–9 PM71%(439 flights)
  • 9 PM–12 AM67%(211 flights)
On-time trend by month
67%
May

Jun 75% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%168
July 202575%171
August 202587%167
September 202585%171
October 202582%222
November 202582%168
December 202585%148
January 202686%140
February 202679%154
March 202681%178
April 202670%158
May 202667%151

Based on 2,016 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.