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

Chicago, IL (MDW) to Austin, TX (AUS) flight delay odds

75.4% of 1,356 official scheduled MDW-to-AUS flights arrived on time; 13.2% arrived at least 30 minutes late and 1.0% 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
75.4%arrived on time
13.2%30+ min late
1.0%cancelled
1,356scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.0 mincompleted flights

Which departure time was most reliable for MDW to AUS?

Among qualifying MDW-to-AUS departure window results, Early morning had the highest on-time rate: 86.6% of 372 flights. Night was lowest at 51.5% across 167 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning37286.6%5.1%0.8%
Late morning21181.0%9.5%1.4%
Afternoon31376.4%10.9%1.0%
Evening29369.6%18.8%0.3%
Night16751.5%30.5%2.4%

Which weekday was most reliable for MDW to AUS?

Among qualifying MDW-to-AUS weekday results, Tuesday had the highest on-time rate: 83.1% of 189 flights. Friday was lowest at 71.1% across 218 flights.

DayFlightsOn time30+ minCancelled
Monday21372.8%15.0%0.9%
Tuesday18983.1%8.5%0.0%
Wednesday18378.1%12.0%0.5%
Thursday21377.5%11.3%0.9%
Friday21871.1%13.8%0.9%
Saturday13673.5%14.0%2.9%
Sunday20472.1%17.6%1.5%

Which airline was most reliable for MDW to AUS?

Only Southwest Airlines met the MDW-to-AUS airline threshold: 75.4% of 1,356 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,35675.4%13.2%1.0%

Which month was most reliable for MDW to AUS?

Among qualifying MDW-to-AUS month results, September 2025 had the highest on-time rate: 85.6% of 104 flights. July 2025 was lowest at 64.7% across 133 flights.

MonthFlightsOn time30+ minCancelled
July 202513364.7%18.0%1.5%
August 202510782.2%11.2%0.0%
September 202510485.6%7.7%0.0%
October 202513781.8%10.2%0.0%
November 202510379.6%10.7%2.9%
December 202510465.4%21.2%0.0%
January 20268879.5%11.4%2.3%
February 20268684.9%9.3%0.0%
March 202610672.6%12.3%1.9%
April 202612474.2%11.3%0.8%
May 202613174.8%15.3%0.0%
June 202613365.4%17.3%3.0%

What drove MDW to AUS delay minutes?

Late aircraft was the largest recorded MDW-to-AUS delay category, accounting for 48.5% of 14,795 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.6%
Late aircraft48.5%
National airspace19.8%
Weather3.3%
Security0.7%
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.