ORD to AUS flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Austin Bergstrom International Airport · 977 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD 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 (ORD) to Austin (AUS) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2% were cancelled, and 11% arrived an hour or more late.
- United Airlines was the most punctual airline here (79% on time); American Airlines was the least (66%).
- Departures scheduled around 7am did best (89% on time); around 9pm did worst (34%).
- Tuesday was the most reliable day to fly (77% on time) and Sunday the least (68%).
- The largest source of delay minutes was late-arriving aircraft (51%).
Which airline is most on time from ORD 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 |
|---|---|---|---|---|---|
| United Airlines | 79% | 1.1% | 15 min | 7.1% | 1,511 |
| Envoy AirRegional airline operating American Eagle flights. | 73% | 2.3% | 19 min | 11.6% | 88 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 69% | 5.3% | 18 min | 11.1% | 95 |
| Frontier Airlines | 68% | 4.6% | 42 min | 17.3% | 109 |
| Southwest Airlines | 68% | 0.6% | 21 min | 12.6% | 176 |
| American Airlines | 66% | 2.8% | 29 min | 14.8% | 1,195 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am89%317 flights
- 8am86%318 flights
- 9am77%235 flights
- 10am72%183 flights
- 11am74%267 flights
- 12pm82%127 flights
- 1pm73%383 flights
- 2pm66%268 flights
- 3pm59%106 flights
- 4pm81%81 flights
- 6pm62%99 flights
- 7pm68%430 flights
- 8pm68%223 flights
- 9pm34%108 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%3.2% cancelled
- Tuesday77%0.9% cancelled
- Wednesday74%0.7% cancelled
- Thursday75%1.5% cancelled
- Friday70%2.6% cancelled
- Saturday74%2.6% cancelled
- Sunday68%2.4% 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 aircraft51%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion18%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather77%
- Air traffic control & airport congestion14%
- Airline (crew, maintenance, cleaning, fueling)9%
- Security0%
ORD to AUS: common questions
- How often are ORD to AUS flights on time?
- 73% 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?
- 2.0% of scheduled flights were cancelled (64 of 3,174).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 76 min behind schedule on average, and 10.9% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 26 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to ORD — 73% 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: ORD → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.