MDW to AUS flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to Austin Bergstrom International Airport · 972 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (MDW) to Austin (AUS) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5am did best (94% on time); around 9pm did worst (56%).
- Tuesday was the most reliable day to fly (86% on time) and Monday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from MDW to AUS?
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 | 77% | 1.0% | 12 min | 5.0% | 1,357 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%87 flights
- 6am96%23 flights
- 7am78%69 flights
- 8am90%177 flights
- 9am83%42 flights
- 10am86%132 flights
- 11am72%72 flights
- 12pm79%61 flights
- 2pm84%105 flights
- 3pm75%55 flights
- 4pm75%60 flights
- 5pm63%52 flights
- 6pm60%65 flights
- 7pm74%46 flights
- 8pm77%125 flights
- 9pm56%140 flights
- 10pm57%36 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%0.9% cancelled
- Tuesday86%0.0% cancelled
- Wednesday82%0.6% cancelled
- Thursday78%0.9% cancelled
- Friday72%1.3% cancelled
- Saturday78%1.5% cancelled
- Sunday76%1.5% 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 aircraft49%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion19%
- Extreme weather3%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather69%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion8%
- Security0%
MDW to AUS: common questions
- How often are MDW to AUS flights on time?
- 77% 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 Chicago to Austin cancelled?
- 1.0% of scheduled flights were cancelled (13 of 1,357).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 45 min behind schedule on average, and 5.0% of flights were an hour or more late.
- How long is taxi time at MDW?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to MDW — 77% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MDW → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.