AUS to MKE flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to General Mitchell International Airport · 1,032 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or MKE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to Milwaukee (MKE) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.1% were cancelled, and 9% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (95% on time); around 7pm did worst (44%).
- Monday was the most reliable day to fly (83% on time) and Friday the least (56%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from AUS to MKE?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 71% | 1.1% | 17 min | 8.8% | 278 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am95%45 flights
- 9am94%50 flights
- 11am84%31 flights
- 12pm83%12 flights
- 1pm46%53 flights
- 2pm64%26 flights
- 3pm52%31 flights
- 7pm44%26 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%2.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday76%0.0% cancelled
- Thursday63%0.0% cancelled
- Friday56%0.0% cancelled
- Saturday67%7.7% cancelled
- Sunday73%2.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion8%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion0%
- Security0%
AUS to MKE: common questions
- How often are AUS to MKE flights on time?
- 71% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Austin to Milwaukee cancelled?
- 1.1% of scheduled flights were cancelled (3 of 278).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 8.8% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MKE to AUS — 80% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → MKE, nonstop flights by US airlines that report to the DOT. How we calculate this.