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Route Reliability

Sacramento → Las Vegas

SMF–LAS · 397 miles · Sacramento International Airport to Harry Reid International Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
0.6%
Cancelled
4,380
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines90%495 flights
  2. 2.Spirit Airlines83%257 flights
  3. 3.Southwest Airlines79%3,430 flights
  4. 4.Frontier Airlines74%198 flights

What the data says

Morning-you made the right choice.

SMF–LAS flights departing between 3–6 AM arrived on time 96% of the time, versus 61% between 9 PM–12 AM.

Skip Thursday if you can.

SMF–LAS flights arrived on time 89% of the time on Saturdays. On Thursdays: 75%.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 90% of the time on this route; Frontier Airlines managed 74%.

Slipping a little lately.

SMF–LAS flights arrived on time 80% of the time over the last three months in the data, compared with 83% in the three months before that.

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
  • Mon79%(675 flights)
  • Tue82%(567 flights)
  • Wed87%(559 flights)
  • Thu75%(674 flights)
  • Fri76%(679 flights)
  • Sat89%(474 flights)
  • Sun80%(722 flights)
On-time by departure window
  • 3–6 AM96%(186 flights)
  • 6–9 AM93%(967 flights)
  • 9 AM–12 PM87%(641 flights)
  • 12–3 PM77%(813 flights)
  • 3–6 PM74%(869 flights)
  • 6–9 PM70%(702 flights)
  • 9 PM–12 AM61%(172 flights)
On-time trend by month
79%
May

Jun 78% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%462
July 202579%447
August 202583%430
September 202583%404
October 202576%382
November 202580%347
December 202581%352
January 202683%290
February 202686%277
March 202681%316
April 202680%312
May 202679%331

Keep nerding

Based on 4,380 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.