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Route Reliability

Chicago → Columbus

MDW–CMH · 283 miles · Chicago Midway International Airport to John Glenn Columbus International Airport

83
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
1.4%
Cancelled
1,259
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 1,259 flights. No comparison to make.

What the data says

Morning-you made the right choice.

MDW–CMH flights departing between 6–9 AM arrived on time 94% of the time, versus 57% between 9 PM–12 AM.

Skip Thursday if you can.

MDW–CMH flights arrived on time 87% of the time on Tuesdays. On Thursdays: 75%.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(185 flights)
  • Tue87%(179 flights)
  • Wed86%(173 flights)
  • Thu75%(186 flights)
  • Fri79%(191 flights)
  • Sat85%(133 flights)
  • Sun78%(192 flights)
On-time by departure window
  • 6–9 AM94%(142 flights)
  • 9 AM–12 PM89%(261 flights)
  • 12–3 PM82%(313 flights)
  • 3–6 PM79%(151 flights)
  • 6–9 PM77%(249 flights)
  • 9 PM–12 AM57%(123 flights)
On-time trend by month
78%
May

Jun 63% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%124
July 202574%129
August 202584%119
September 202592%116
October 202577%119
November 202584%98
December 202579%104
January 202689%84
February 202688%82
March 202681%84
April 202690%88
May 202678%92

Same trip, other airports

Keep nerding

Based on 1,259 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.