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

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

Historically, 78.5% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,545 flights.

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

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 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%

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
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%

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 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%

Monthly trend

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

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 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.

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.