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

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

Historically, 77.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,741 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.