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WanderNerd

Route Reliability

Charlotte → Chicago

CLTORD · 599 miles · Charlotte Douglas International Airport to Chicago O'Hare International Airport

66
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
14 min
Average arrival delay
2.8%
Cancelled
4,229
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines77%1,122 flights
  2. 2.American Airlines72%2,940 flights
  3. 3.Frontier Airlines62%166 flights

Not enough history to rank: Spirit Airlines (1 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

CLT–ORD flights departing between 6–9 AM arrived on time 86% of the time, versus 57% between 6–9 PM.

Sunday scaries are real for this one.

CLT–ORD flights arrived on time 77% of the time on Wednesdays. On Sundays: 67%.

United Airlines runs this route best.

United Airlines arrived on time 77% of the time on this route; Frontier Airlines managed 62%.

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%(596 flights)
  • Tue76%(567 flights)
  • Wed77%(574 flights)
  • Thu72%(607 flights)
  • Fri72%(596 flights)
  • Sat75%(541 flights)
  • Sun67%(615 flights)
On-time by departure window
  • 6–9 AM86%(754 flights)
  • 9 AM–12 PM85%(891 flights)
  • 12–3 PM73%(695 flights)
  • 3–6 PM61%(880 flights)
  • 6–9 PM57%(501 flights)
  • 9 PM–12 AM66%(375 flights)
On-time trend by month
79%
May

Jun 68% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%332
July 202559%336
August 202572%322
September 202581%334
October 202578%345
November 202574%332
December 202573%351
January 202672%294
February 202679%304
March 202667%346
April 202671%394
May 202679%406

Based on 4,229 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.