BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SLC→LAS

Salt Lake City, UT (SLC) to Las Vegas, NV (LAS) flight delay odds

77.3% of 3,741 official scheduled SLC-to-LAS flights arrived on time; 13.5% arrived at least 30 minutes late and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.3%arrived on time
13.5%30+ min late
0.6%cancelled
3,741scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.4%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+6.7 mincompleted flights

Which departure time was most reliable for SLC to LAS?

Among qualifying SLC-to-LAS departure window results, Early morning had the highest on-time rate: 95.0% of 725 flights. Evening was lowest at 71.0% across 765 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning72595.0%2.2%0.6%
Late morning75177.6%11.6%0.5%
Afternoon94571.0%18.5%0.8%
Evening76571.0%18.8%0.7%
Night55573.3%14.8%0.5%

Which weekday was most reliable for SLC to LAS?

Among qualifying SLC-to-LAS weekday results, Saturday had the highest on-time rate: 85.9% of 453 flights. Friday was lowest at 71.0% across 572 flights.

DayFlightsOn time30+ minCancelled
Monday57573.4%13.9%0.9%
Tuesday50884.3%8.9%0.8%
Wednesday49684.1%8.5%0.2%
Thursday57172.3%17.9%0.5%
Friday57271.0%19.2%0.9%
Saturday45385.9%7.9%0.4%
Sunday56673.9%15.7%0.7%

Which airline was most reliable for SLC to LAS?

Among qualifying SLC-to-LAS airline results, Delta Air Lines had the highest on-time rate: 79.7% of 1,714 flights. Spirit Airlines was lowest at 68.2% across 66 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,71479.7%11.5%0.6%
Southwest Airlines1,44274.8%14.3%0.5%
Frontier Airlines51477.8%16.3%1.0%
Spirit Airlines6668.2%24.2%3.0%
SkyWest Airlines580.0%20.0%0.0%

Which month was most reliable for SLC to LAS?

Among qualifying SLC-to-LAS month results, January 2026 had the highest on-time rate: 82.1% of 319 flights. June 2026 was lowest at 71.7% across 293 flights.

MonthFlightsOn time30+ minCancelled
July 202529971.9%19.1%0.3%
August 202529479.9%13.3%0.3%
September 202531476.4%14.3%0.6%
October 202532080.0%10.9%0.0%
November 202529775.4%14.5%3.0%
December 202531476.4%12.1%1.0%
January 202631982.1%9.7%0.3%
February 202629580.7%10.5%0.7%
March 202634378.4%12.2%1.2%
April 202633876.0%12.7%0.0%
May 202631578.4%14.3%0.3%
June 202629371.7%18.8%0.0%

What drove SLC to LAS delay minutes?

Late aircraft was the largest recorded SLC-to-LAS delay category, accounting for 37.1% of 52,250 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.8%
Late aircraft37.1%
National airspace27.6%
Weather3.5%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.