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Route Reliability

Miami → Las Vegas

MIA–LAS · 2,174 miles · Miami International Airport to Harry Reid International Airport

76
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
9 min
Average arrival delay
1.1%
Cancelled
1,508
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines75%1,308 flights
  2. 2.Spirit Airlines68%102 flights

Not enough history to rank: Frontier Airlines (95 flights), Delta Air Lines (3 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

MIA–LAS flights departing between 6–9 AM arrived on time 91% of the time, versus 65% between 3–6 PM.

Sunday scaries are real for this one.

MIA–LAS flights arrived on time 79% of the time on Wednesdays. On Sundays: 65%.

American Airlines has a slight edge here.

American Airlines arrived on time 75% of the time on this route; Spirit Airlines managed 68%.

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
  • Mon74%(222 flights)
  • Tue77%(200 flights)
  • Wed79%(199 flights)
  • Thu74%(221 flights)
  • Fri76%(225 flights)
  • Sat76%(208 flights)
  • Sun65%(211 flights)
On-time by departure window
  • 6–9 AM91%(368 flights)
  • 9 AM–12 PM81%(100 flights)
  • 3–6 PM65%(385 flights)
  • 6–9 PM68%(442 flights)
  • 9 PM–12 AM71%(191 flights)
On-time trend by month
75%
May

Jun 69% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%165
July 202565%159
August 202578%153
September 202567%114
October 202580%129
November 202575%118
December 202581%133
January 202678%101
February 202679%82
March 202684%91
April 202671%118
May 202675%123

Same trip, other airports

Keep nerding

Based on 1,508 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.