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WanderNerd

Route Reliability

Columbus → Chicago

CMHORD · 296 miles · John Glenn Columbus International Airport to Chicago O'Hare International Airport

71
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
15 min
Average arrival delay
2.2%
Cancelled
4,907
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines75%2,632 flights
  2. 2.American Airlines74%2,275 flights

What the data says

Morning flights do better here.

CMH–ORD flights departing between 3–6 AM arrived on time 95% of the time, versus 57% between 6–9 PM.

Monday is the weak spot.

CMH–ORD flights arrived on time 80% of the time on Saturdays. On Mondays: 68%.

Not much between United Airlines and American Airlines.

On this route they all land within 74% to 75% on time. Pick on schedule and price.

Ticking up lately.

CMH–ORD flights arrived on time 78% of the time over the last three months in the data, compared with 71% in the three months before that.

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
  • Mon68%(718 flights)
  • Tue78%(627 flights)
  • Wed77%(681 flights)
  • Thu73%(719 flights)
  • Fri74%(707 flights)
  • Sat80%(620 flights)
  • Sun72%(725 flights)
On-time by departure window
  • 3–6 AM95%(316 flights)
  • 6–9 AM80%(1347 flights)
  • 9 AM–12 PM81%(1057 flights)
  • 12–3 PM72%(776 flights)
  • 3–6 PM61%(774 flights)
  • 6–9 PM57%(511 flights)
  • 9 PM–12 AM75%(16 flights)
On-time trend by month
85%
May

Jun 70% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%404
July 202566%397
August 202579%398
September 202579%410
October 202574%437
November 202575%376
December 202560%371
January 202672%319
February 202682%347
March 202671%423
April 202678%451
May 202685%464

Based on 4,907 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.