Skip to content
WanderNerd
Check a flight

Route Reliability

FAT → Las Vegas

FAT–LAS · 259 miles · FAT Airport to Harry Reid International Airport

90
Nerd Approved
WanderNerd Reliability Score
84%
Arrive within 15 minutes
4 min
Average arrival delay
0.3%
Cancelled
1,757
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines86%1,112 flights
  2. 2.Allegiant Air80%645 flights

What the data says

Morning flights do better here.

FAT–LAS flights departing between 3–6 AM arrived on time 96% of the time, versus 74% between 6–9 PM.

Thursday is the weak spot.

FAT–LAS flights arrived on time 89% of the time on Saturdays. On Thursdays: 77%.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 86% of the time on this route; Allegiant Air managed 80%.

It basically never cancels.

Out of 1,757 scheduled flights, only 0.3% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon84%(267 flights)
  • Tue84%(200 flights)
  • Wed87%(221 flights)
  • Thu77%(269 flights)
  • Fri83%(297 flights)
  • Sat89%(200 flights)
  • Sun84%(296 flights)
On-time by departure window
  • 3–6 AM96%(300 flights)
  • 6–9 AM95%(146 flights)
  • 9 AM–12 PM88%(434 flights)
  • 12–3 PM78%(217 flights)
  • 3–6 PM75%(414 flights)
  • 6–9 PM74%(154 flights)
  • 9 PM–12 AM74%(85 flights)
On-time trend by month
81%
May

Jun 81% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%166
July 202577%172
August 202587%150
September 202578%144
October 202583%151
November 202586%145
December 202586%151
January 202683%138
February 202690%124
March 202689%139
April 202685%132
May 202681%138

Keep nerding

Based on 1,757 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.