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Route Reliability

Tulsa → Las Vegas

TUL–LAS · 1,076 miles · Tulsa International Airport to Harry Reid International Airport

89
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
2 min
Average arrival delay
0.7%
Cancelled
746
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines84%637 flights
  2. 2.Allegiant Air78%109 flights

What the data says

Morning flights do better here.

TUL–LAS flights departing between 3–6 AM arrived on time 94% of the time, versus 70% between 6–9 PM.

Friday is doing you no favors.

TUL–LAS flights arrived on time 96% of the time on Wednesdays and just 77% on Fridays. That gap is worth planning around.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 84% of the time on this route; Allegiant Air managed 78%.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(146 flights)
  • Tue90%(89 flights)
  • Wed96%(91 flights)
  • Thu84%(97 flights)
  • Fri77%(150 flights)
  • Sat84%(68 flights)
  • Sun83%(100 flights)
On-time by departure window
  • 3–6 AM94%(47 flights)
  • 6–9 AM94%(276 flights)
  • 9 AM–12 PM88%(24 flights)
  • 12–3 PM83%(98 flights)
  • 3–6 PM78%(88 flights)
  • 6–9 PM70%(191 flights)
  • 9 PM–12 AM71%(17 flights)
On-time trend by month
72%
May

Jun 81% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%69
July 202587%71
August 202576%67
September 202582%65
October 202578%67
November 202591%66
December 202585%72
January 202681%43
February 202691%43
March 202694%64
April 202684%56
May 202672%58

Keep nerding

Based on 746 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.