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Route Reliability

Grand Rapids → Las Vegas

GRR–LAS · 1,642 miles · Gerald R. Ford International Airport to Harry Reid International Airport

75
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
14 min
Average arrival delay
0%
Cancelled
438
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines75%219 flights
  2. 2.Allegiant Air70%219 flights

What the data says

Morning flights do better here.

GRR–LAS flights departing between 6–9 AM arrived on time 78% of the time, versus 69% between 12–3 PM.

Friday is doing you no favors.

GRR–LAS flights arrived on time 80% of the time on Saturdays. On Fridays: 65%.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 75% of the time on this route; Allegiant Air managed 70%.

It basically never cancels.

Out of 438 scheduled flights, only 0.0% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon74%(89 flights)
  • Tue77%(22 flights)
  • Wed69%(35 flights)
  • Thu77%(83 flights)
  • Fri65%(86 flights)
  • Sat80%(30 flights)
  • Sun70%(90 flights)
On-time by departure window
  • 6–9 AM78%(58 flights)
  • 9 AM–12 PM—(8 flights)
  • 12–3 PM69%(198 flights)
  • 3–6 PM73%(141 flights)
  • 9 PM–12 AM73%(30 flights)
On-time trend by month
78%
May

Jun 71% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%52
July 202557%51
August 202576%41
September 202589%37
October 202570%47
November 202586%44
December 202557%47
January 202659%27
February 202677%34
March 202675%20
April 202688%17
May 202678%18

Keep nerding

Based on 438 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.