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Route Reliability

Houston → Columbus

IAH–CMH · 986 miles · George Bush Intercontinental Airport to John Glenn Columbus International Airport

83
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
7 min
Average arrival delay
1.2%
Cancelled
995
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 81% of the time across 995 flights. No comparison to make.

What the data says

Morning-you made the right choice.

IAH–CMH flights departing between 6–9 AM arrived on time 86% of the time, versus 77% between 6–9 PM.

Friday is doing you no favors.

IAH–CMH flights arrived on time 86% of the time on Tuesdays. On Fridays: 75%.

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
  • Mon83%(150 flights)
  • Tue86%(125 flights)
  • Wed78%(142 flights)
  • Thu84%(152 flights)
  • Fri75%(149 flights)
  • Sat82%(118 flights)
  • Sun78%(145 flights)
On-time by departure window
  • 6–9 AM86%(265 flights)
  • 12–3 PM81%(361 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM77%(354 flights)
On-time trend by month
81%
May

Jun 68% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%87
July 202574%87
August 202568%83
September 202588%76
October 202581%88
November 202585%80
December 202577%78
January 202693%76
February 202681%73
March 202691%79
April 202687%86
May 202681%88

Same trip, other airports

Keep nerding

Based on 995 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.