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Route Reliability

ATW → Chicago

ATW–ORD · 160 miles · ATW Airport to Chicago O'Hare International Airport

56
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
22 min
Average arrival delay
3.8%
Cancelled
3,483
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines77%1,201 flights
  2. 2.United Airlines66%2,282 flights

What the data says

Morning flights do better here.

ATW–ORD flights departing between 3–6 AM arrived on time 88% of the time, versus 54% between 3–6 PM.

Sunday scaries are real for this one.

ATW–ORD flights arrived on time 73% of the time on Saturdays. On Sundays: 65%.

American Airlines runs this route best.

American Airlines arrived on time 77% of the time on this route; United Airlines managed 66%.

Keep a backup plan handy.

This route was cancelled 3.8% of the time. Typical for U.S. flights is around 1–2%.

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
  • Mon66%(484 flights)
  • Tue73%(470 flights)
  • Wed69%(475 flights)
  • Thu73%(486 flights)
  • Fri67%(491 flights)
  • Sat73%(448 flights)
  • Sun65%(494 flights)
On-time by departure window
  • 3–6 AM88%(133 flights)
  • 6–9 AM80%(955 flights)
  • 9 AM–12 PM79%(440 flights)
  • 12–3 PM67%(769 flights)
  • 3–6 PM54%(708 flights)
  • 6–9 PM61%(341 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
75%
May

Jun 68% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%264
July 202566%265
August 202574%247
September 202580%263
October 202572%277
November 202569%261
December 202559%258
January 202665%261
February 202673%273
March 202669%288
April 202664%332
May 202675%359

Keep nerding

Based on 3,483 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.