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Route Reliability

Austin → Milwaukee

AUS–MKE · 1,032 miles · Austin–Bergstrom International Airport to Milwaukee Mitchell International Airport

74
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
12 min
Average arrival delay
0.7%
Cancelled
288
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 71% of the time across 288 flights. No comparison to make.

What the data says

Morning-you made the right choice.

AUS–MKE flights departing between 6–9 AM arrived on time 98% of the time, versus 49% between 6–9 PM.

Friday is doing you no favors.

AUS–MKE flights arrived on time 81% of the time on Tuesdays and just 57% on Fridays. That gap is worth planning around.

Recent months have been rougher.

AUS–MKE flights arrived on time 63% of the time over the last three months in the data, compared with 78% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(48 flights)
  • Tue81%(36 flights)
  • Wed80%(35 flights)
  • Thu63%(48 flights)
  • Fri57%(49 flights)
  • Sat75%(20 flights)
  • Sun69%(49 flights)
On-time by departure window
  • 6–9 AM98%(44 flights)
  • 9 AM–12 PM91%(80 flights)
  • 12–3 PM58%(85 flights)
  • 3–6 PM49%(41 flights)
  • 6–9 PM49%(35 flights)
On-time trend by month
72%
May

Jun 63% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202536%31
August 202589%26
September 202596%26
October 202582%27
November 202563%27
December 202581%31
February 202689%18
March 202650%24
April 202667%18
May 202672%18

Keep nerding

Based on 288 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.