AUS to ORD flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to Chicago O'Hare International Airport · 977 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or ORD 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 Chicago (ORD) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.3% were cancelled, and 11% arrived an hour or more late.
- United Airlines was the most punctual airline here (75% on time); American Airlines was the least (70%).
- Departures scheduled around 8am did best (88% on time); around 6pm did worst (54%).
- Tuesday was the most reliable day to fly (77% on time) and Sunday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from AUS to ORD?
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 | 75% | 1.3% | 21 min | 8.9% | 1,510 |
| Envoy AirRegional airline operating American Eagle flights. | 73% | 2.3% | 18 min | 8.3% | 86 |
| Southwest Airlines | 72% | 0.6% | 18 min | 8.0% | 176 |
| American Airlines | 70% | 3.2% | 33 min | 13.5% | 1,195 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 70% | 6.3% | 22 min | 9.0% | 95 |
| Frontier Airlines | 68% | 5.5% | 46 min | 18.8% | 109 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am83%464 flights
- 7am85%261 flights
- 8am88%245 flights
- 9am83%132 flights
- 10am81%334 flights
- 11am72%202 flights
- 12pm80%213 flights
- 1pm70%227 flights
- 3pm61%372 flights
- 4pm47%73 flights
- 5pm58%310 flights
- 6pm54%258 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%2.8% cancelled
- Tuesday77%1.2% cancelled
- Wednesday76%0.9% cancelled
- Thursday73%1.5% cancelled
- Friday70%3.8% cancelled
- Saturday74%3.2% cancelled
- Sunday69%2.6% 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 aircraft44%
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion12%
- Security0%
AUS to ORD: common questions
- How often are AUS to ORD 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 Austin to Chicago cancelled?
- 2.3% of scheduled flights were cancelled (73 of 3,171).
- How long are typical delays?
- Across all flights the average arrival delay was 26 min (early arrivals count as zero). Flights that were late arrived 92 min behind schedule on average, and 10.9% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to AUS — 73% 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 → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.