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

Denver, CO (DEN) to Austin, TX (AUS) flight delay odds

75.6% of 5,301 official scheduled DEN-to-AUS flights arrived on time; 15.3% 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
75.6%arrived on time
15.3%30+ min late
0.6%cancelled
5,301scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.8%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+7.7 mincompleted flights

Which departure time was most reliable for DEN to AUS?

Among qualifying DEN-to-AUS departure window results, Early morning had the highest on-time rate: 93.4% of 994 flights. Evening was lowest at 64.6% across 1,732 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning99493.4%3.0%0.3%
Late morning1,06880.5%10.2%0.5%
Afternoon1,34673.0%15.9%0.6%
Evening1,73264.6%24.5%0.8%
Night16171.4%20.5%1.2%

Which weekday was most reliable for DEN to AUS?

Among qualifying DEN-to-AUS weekday results, Wednesday had the highest on-time rate: 80.5% of 713 flights. Friday was lowest at 71.5% across 839 flights.

DayFlightsOn time30+ minCancelled
Monday84273.2%17.5%0.6%
Tuesday70180.2%12.3%0.1%
Wednesday71380.5%11.2%0.6%
Thursday82674.8%16.3%0.6%
Friday83971.5%18.0%0.6%
Saturday56978.6%12.0%0.5%
Sunday81172.5%17.8%1.1%

Which airline was most reliable for DEN to AUS?

Among qualifying DEN-to-AUS airline results, United Airlines had the highest on-time rate: 79.2% of 1,914 flights. Frontier Airlines was lowest at 71.6% across 550 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines2,34673.0%16.4%0.6%
United Airlines1,91479.2%12.8%0.6%
Frontier Airlines55071.6%20.0%0.7%
SkyWest Airlines49178.0%14.7%0.6%

Which month was most reliable for DEN to AUS?

Among qualifying DEN-to-AUS month results, February 2026 had the highest on-time rate: 86.0% of 421 flights. July 2025 was lowest at 56.3% across 437 flights.

MonthFlightsOn time30+ minCancelled
July 202543756.3%31.4%1.8%
August 202539969.7%18.0%0.8%
September 202537877.5%14.0%0.0%
October 202543177.0%12.8%0.0%
November 202542681.2%13.4%0.5%
December 202545078.0%14.4%0.0%
January 202642883.2%7.2%2.8%
February 202642186.0%8.8%0.0%
March 202651576.9%14.8%0.4%
April 202644785.0%8.7%0.0%
May 202646773.4%15.8%0.6%
June 202650264.1%22.9%0.4%

What drove DEN to AUS delay minutes?

Late aircraft was the largest recorded DEN-to-AUS delay category, accounting for 45.7% of 76,575 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.2%
Late aircraft45.7%
National airspace17.6%
Weather3.4%
Security0.2%
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.