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Route Reliability

CMX → Chicago

CMX–ORD · 360 miles · CMX Airport to Chicago O'Hare International Airport

36
Bring Snacks
WanderNerd Reliability Score
68%
Arrive within 15 minutes
39 min
Average arrival delay
6.0%
Cancelled
795
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 68% of the time across 795 flights. No comparison to make.

What the data says

Morning flights do better here.

CMX–ORD flights departing between 6–9 AM arrived on time 72% of the time, versus 41% between 6–9 PM.

Sunday scaries are real for this one.

CMX–ORD flights arrived on time 79% of the time on Tuesdays and just 58% on Sundays. That gap is worth planning around.

Keep a backup plan handy.

This route was cancelled 6.0% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

CMX–ORD flights arrived on time 66% of the time over the last three months in the data, compared with 58% 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
  • Mon67%(109 flights)
  • Tue79%(99 flights)
  • Wed65%(109 flights)
  • Thu70%(108 flights)
  • Fri64%(110 flights)
  • Sat73%(96 flights)
  • Sun58%(114 flights)
On-time by departure window
  • 12–3 AM—(1 flights)
  • 6–9 AM72%(342 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM68%(114 flights)
  • 3–6 PM68%(224 flights)
  • 6–9 PM41%(63 flights)
On-time trend by month
71%
May

Jun 72% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%64
July 202558%79
August 202574%81
September 202564%80
October 202587%62
November 202583%54
December 202556%54
January 202654%52
February 202664%52
March 202662%53
April 202666%53
May 202671%61

Keep nerding

Based on 795 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.