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WanderNerd

Route Reliability

Las Vegas → Spokane

LASGEG · 806 miles · Harry Reid International Airport to Spokane International Airport

85
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
5 min
Average arrival delay
0.6%
Cancelled
856
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines80%750 flights
  2. 2.Allegiant Air75%106 flights

What the data says

Morning flights do better here.

LAS–GEG flights departing between 6–9 AM arrived on time 93% of the time, versus 63% between 3–6 PM.

Sunday scaries are real for this one.

LAS–GEG flights arrived on time 90% of the time on Wednesdays and just 71% on Sundays. That gap is worth planning around.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 80% of the time on this route; Allegiant Air managed 75%.

Recent months have been rougher.

LAS–GEG flights arrived on time 75% of the time over the last three months in the data, compared with 86% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(105 flights)
  • Tue80%(107 flights)
  • Wed90%(104 flights)
  • Thu77%(150 flights)
  • Fri72%(101 flights)
  • Sat87%(121 flights)
  • Sun71%(163 flights)
On-time by departure window
  • 6–9 AM93%(137 flights)
  • 9 AM–12 PM85%(235 flights)
  • 12–3 PM89%(35 flights)
  • 3–6 PM63%(56 flights)
  • 6–9 PM85%(163 flights)
  • 9 PM–12 AM63%(225 flights)
On-time trend by month
65%
May

Jun 79% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%68
July 202573%70
August 202577%69
September 202578%68
October 202579%75
November 202581%72
December 202580%75
January 202691%70
February 202686%64
March 202679%80
April 202680%71
May 202665%69

Based on 856 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.