Chicago (ORD) to Austin (AUS): On-Time Performance
Data through July 2026
Chicago (ORD) to Austin (AUS) effectively runs on two schedules. In October 2024, 92% of arrivals were on time; in July 2025 that fell to 58% — a 34-point seasonal swing. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 64%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 8.7
- last 12 months
- Duration
- 2h 55m
- scheduled
- Distance
- 977 mi
Best airline from ORD to AUS
6 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 80% | 11 min | 1.4% | 287 |
| United Airlines | 79% | 14 min | 0.8% | 2,880 |
| Republic Airways | 76% | 15 min | 3.8% | 133 |
| Southwest Airlines | 72% | 16 min | 0.3% | 572 |
| American Airlines | 69% | 26 min | 2.1% | 2,382 |
| Frontier Airlines | 60% | 44 min | 3.7% | 162 |
Monthly on-time trend
Best time to fly from ORD to AUS
Aim for departures around 7 a.m. (88% on-time); avoid 9 p.m. departures (45%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 22 min |
| Tuesdaybest | 77% | 18 min |
| Wednesday | 75% | 19 min |
| Thursday | 74% | 17 min |
| Friday | 72% | 22 min |
| Saturdaybest | 77% | 14 min |
| Sunday | 70% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft51%
- Airline operations24%
- National airspace system19%
- Weather6%
Frequently asked questions
- How often are flights from ORD to AUS delayed?
- 26% of ORD–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from ORD to AUS?
- Envoy Air has the best on-time record on this route at 80%, based on 287 flights. 6 airlines flew ORD–AUS frequently enough to compare in this period.
- What is the best time of day to fly from ORD to AUS?
- Departures around 7 a.m. have the best record (88% on-time), while departures around 9 p.m. have the worst (45%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to AUS?
- The scheduled ORD–AUS flight time averages 2h 55m over 977 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are ORD to AUS flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ORD to AUS?
- July 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 6,438 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.