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

Detroit, MI (DTW) to Austin, TX (AUS) flight delay odds

Historically, 78.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,334 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
78.8%arrived on time
11.4%30+ min late
1.2%cancelled
1,334scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.3%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.4 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 morning33884.9%8.0%1.2%
Late morning7479.7%10.8%0.0%
Afternoon59077.8%10.8%1.0%
Evening32474.1%16.0%1.9%

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
Monday20674.3%16.0%1.0%
Tuesday19287.0%4.7%1.6%
Wednesday18784.0%7.5%0.0%
Thursday19576.9%11.3%0.0%
Friday20475.5%13.7%1.0%
Saturday15580.6%10.3%3.2%
Sunday19574.4%15.4%2.1%

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 Lines1,28378.6%11.5%1.2%
Spirit Airlines5182.4%9.8%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202513261.4%21.2%0.8%
August 202513179.4%8.4%0.8%
September 202511691.4%5.2%0.0%
October 202512185.1%8.3%0.0%
November 202510681.1%9.4%0.0%
December 202510772.0%17.8%2.8%
January 20267870.5%20.5%3.8%
February 20267889.7%5.1%0.0%
March 202611385.0%9.7%0.9%
April 202611690.5%3.4%0.0%
May 202612272.1%12.3%4.9%
June 202611470.2%15.8%0.9%

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.

Airline45.4%
Late aircraft18.7%
National airspace32.5%
Weather3.4%
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.