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

Atlanta, GA (ATL) to Austin, TX (AUS) flight delay odds

78.5% of 4,545 official scheduled ATL-to-AUS flights arrived on time; 12.8% arrived at least 30 minutes late and 1.4% 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
78.5%arrived on time
12.8%30+ min late
1.4%cancelled
4,545scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.1%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+2.6 mincompleted flights

Which departure time was most reliable for ATL to AUS?

Among qualifying ATL-to-AUS departure window results, Early morning had the highest on-time rate: 90.0% of 568 flights. Evening was lowest at 70.0% across 992 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning56890.0%3.5%2.6%
Late morning96086.7%6.5%1.0%
Afternoon1,58176.3%14.1%1.4%
Evening99270.0%20.1%1.2%
Night44473.6%18.0%0.9%

Which weekday was most reliable for ATL to AUS?

Among qualifying ATL-to-AUS weekday results, Wednesday had the highest on-time rate: 87.1% of 627 flights. Sunday was lowest at 69.0% across 683 flights.

DayFlightsOn time30+ minCancelled
Monday68873.7%14.1%2.2%
Tuesday64183.8%10.5%0.5%
Wednesday62787.1%8.3%0.2%
Thursday67679.6%12.4%0.4%
Friday68578.8%13.6%0.9%
Saturday54579.1%10.3%2.9%
Sunday68369.0%19.8%2.8%

Which airline was most reliable for ATL to AUS?

Among qualifying ATL-to-AUS airline results, Southwest Airlines had the highest on-time rate: 81.4% of 1,036 flights. Frontier Airlines was lowest at 64.4% across 275 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,23378.9%13.0%1.5%
Southwest Airlines1,03681.4%9.7%0.6%
Frontier Airlines27564.4%22.9%3.3%
American Airlines10.0%100.0%0.0%

Which month was most reliable for ATL to AUS?

Among qualifying ATL-to-AUS month results, February 2026 had the highest on-time rate: 91.9% of 332 flights. July 2025 was lowest at 61.2% across 412 flights.

MonthFlightsOn time30+ minCancelled
July 202541261.2%27.9%1.7%
August 202540769.5%17.2%1.5%
September 202538586.8%8.3%0.0%
October 202540782.6%10.3%0.0%
November 202537679.3%13.0%0.8%
December 202536776.0%13.9%2.2%
January 202634980.8%10.3%5.4%
February 202633291.9%3.9%0.9%
March 202638182.9%8.4%2.4%
April 202636486.5%8.2%0.3%
May 202638774.7%13.7%1.3%
June 202637874.3%16.1%0.5%

What drove ATL to AUS delay minutes?

Airline was the largest recorded ATL-to-AUS delay category, accounting for 38.5% of 52,152 BTS-attributed delay minutes during July 2025–June 2026.

Airline38.5%
Late aircraft34.6%
National airspace23.2%
Weather3.7%
Security0.1%
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.