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

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

73.3% of 2,866 official scheduled AUS-to-LAS flights arrived on time; 15.9% arrived at least 30 minutes late and 0.5% 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
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

Which departure time was most reliable for AUS to LAS?

Among qualifying AUS-to-LAS departure window results, Early morning had the highest on-time rate: 97.5% of 519 flights. Evening was lowest at 58.0% across 602 flights.

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%

Which weekday was most reliable for AUS to LAS?

Among qualifying AUS-to-LAS weekday results, Wednesday had the highest on-time rate: 80.9% of 356 flights. Monday was lowest at 66.6% across 458 flights.

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%

Which airline was most reliable for AUS to LAS?

Among qualifying AUS-to-LAS airline results, Southwest Airlines had the highest on-time rate: 74.7% of 2,177 flights. Frontier Airlines was lowest at 67.0% across 291 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%

Which month was most reliable for AUS to LAS?

Among qualifying AUS-to-LAS month results, February 2026 had the highest on-time rate: 81.4% of 210 flights. June 2026 was lowest at 56.0% across 250 flights.

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 AUS to LAS delay minutes?

Late aircraft was the largest recorded AUS-to-LAS delay category, accounting for 53.3% of 42,507 BTS-attributed delay minutes during July 2025–June 2026.

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.