Chicago (MDW) to Austin (AUS): On-Time Performance
Data through May 2026
When you fly MDW to AUS matters as much as anything else about the booking: the route swung from 94% on-time in October 2024 to just 64% in July 2024. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 67%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 3.7
- last 12 months
- Duration
- 2h 41m
- scheduled
- Distance
- 972 mi
Monthly on-time trend
Best time to fly from MDW to AUS
Aim for departures around 6 a.m. (99% on-time); avoid 6 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 12 min |
| Tuesdaybest | 84% | 10 min |
| Wednesday | 78% | 12 min |
| Thursday | 82% | 11 min |
| Friday | 77% | 13 min |
| Saturday | 79% | 11 min |
| Sunday | 76% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations29%
- National airspace system20%
- Weather2%
- Security1%
Frequently asked questions
- How often are flights from MDW to AUS delayed?
- 21% of MDW–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from MDW to AUS?
- Departures around 6 a.m. have the best record (99% on-time), while departures around 6 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDW to AUS?
- The scheduled MDW–AUS flight time averages 2h 41m over 972 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are MDW to AUS flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from MDW to AUS?
- July 2024 was the roughest month in this dataset, with only 64% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,788 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.