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Route Reliability

Austin → Chicago

AUS–ORD · 977 miles · Austin–Bergstrom International Airport to Chicago O'Hare International Airport

67
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
17 min
Average arrival delay
2.1%
Cancelled
3,169
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines76%1,437 flights
  2. 2.American Airlines72%1,371 flights
  3. 3.Southwest Airlines71%234 flights
  4. 4.Frontier Airlines64%127 flights

What the data says

Morning-you made the right choice.

AUS–ORD flights departing between 6–9 AM arrived on time 85% of the time, versus 35% between 9 PM–12 AM.

Sunday scaries are real for this one.

AUS–ORD flights arrived on time 78% of the time on Tuesdays. On Sundays: 68%.

United Airlines runs this route best.

United Airlines arrived on time 76% of the time on this route; Frontier Airlines managed 64%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon72%(484 flights)
  • Tue78%(410 flights)
  • Wed75%(414 flights)
  • Thu76%(466 flights)
  • Fri72%(470 flights)
  • Sat76%(370 flights)
  • Sun68%(470 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM85%(862 flights)
  • 9 AM–12 PM80%(736 flights)
  • 12–3 PM73%(500 flights)
  • 3–6 PM61%(676 flights)
  • 6–9 PM55%(286 flights)
  • 9 PM–12 AM35%(23 flights)
On-time trend by month
80%
May

Jun 76% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%269
July 202567%255
August 202575%258
September 202578%257
October 202573%297
November 202571%243
December 202573%237
January 202672%195
February 202680%214
March 202665%282
April 202672%281
May 202680%296

Same trip, other airports

Keep nerding

Based on 3,169 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.