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

Austin, TX (AUS) to Las Vegas, NV (LAS) flight delay odds

Historically, 73.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,866 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
73.3%arrived on time
15.9%30+ min late
0.5%cancelled
2,866scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+9.1 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 morning51997.5%0.6%0.2%
Late morning35086.3%6.6%0.6%
Afternoon1,18769.0%18.4%0.8%
Evening60258.0%26.4%0.2%
Night20860.1%25.5%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
Monday45866.6%18.6%0.4%
Tuesday36580.5%13.4%0.5%
Wednesday35680.9%11.5%0.3%
Thursday46672.1%14.8%0.0%
Friday45869.4%17.5%1.1%
Saturday30379.9%13.5%0.7%
Sunday46069.1%20.0%0.4%

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
Southwest Airlines2,17774.7%14.4%0.3%
Delta Air Lines36569.6%19.7%0.8%
Frontier Airlines29167.0%23.0%1.4%
Allegiant Air2085.0%15.0%0.0%
Spirit Airlines1369.2%15.4%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202524571.0%18.8%0.4%
August 202522472.8%17.0%0.9%
September 202521874.8%11.9%0.5%
October 202525271.8%15.1%0.0%
November 202524374.1%17.3%0.0%
December 202525580.0%11.4%0.0%
January 202621478.0%12.6%2.3%
February 202621081.4%11.4%0.0%
March 202625978.0%13.9%0.4%
April 202624773.3%14.2%0.8%
May 202624970.3%18.5%0.4%
June 202625056.0%28.0%0.4%

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.

Airline29.1%
Late aircraft53.3%
National airspace15.4%
Weather2.2%
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.