According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Columbus, OH (CMH) ranks #45 of 382 tracked US airports by total flights (most flights = #1). Columbus, OH posts below-median on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport.
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CMH on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Delay Cause Breakdown
Top delay cause: Late Aircraft.
Total delay minutes: 2,513,897.
Late Aircraft35.0% (878,739 min)
Carrier33.9% (853,162 min)
NAS (National Aviation System)26.3% (661,119 min)
Weather4.7% (118,258 min)
Security0.1% (2,619 min)
CMH - seasonal on-time pattern
Best: October (94%) · worst: July (89.7%)
CMH - on-time rate by year
2020–2025, year-over-year trend.
CMH - taxi-out and taxi-in (monthly)
Average taxi-out 15.4 min · taxi-in 7.5 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
CMH's average taxi-out (15.4 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 13.1 min (April 2024) to 19.9 min (December 2025).
Two PlainFlights-derived comparison paths for Columbus, OH, both outside Ohio so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Columbus, OH is traffic scale: 450,603 BTS flights (2020–2025) place it #45 of 382 by book size. That busy-book footprint sits beside a 82.8% on-time rate (3.8 pts above the 79% national flight-weighted average), 77,312 delayed departures, and 5,085 cancellations (1.13% of the book).
Delay minutes concentrate in Late Aircraft (35.0% late-aircraft, 33.9% carrier, 26.3% NAS, 4.7% weather, 0.1% security). As a busy airport, that mix matters more for connection planning than for a thin schedule.
On the multi-year calendar, CMH is strongest in October (94% on-time) and weakest in July (89.7%), a 4.3-point swing. Volume peaks in March (~6,732 flights/month). The busiest connecting route is to ORD (Chicago) at 79.7% on-time. Field definitions: on-time performance explained.
Columbus, OH vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
82.8%Top 57%higher than 43% of 382 airports
Columbus, OH
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
CMH's on-time book is mid-pack; month and delay-cause mix move more than the headline rate.
Check the busiest route from CMH before you book a connection. See top routes →
Travel in October rather than July if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 15.4 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Columbus, OH's on-time rate?
Columbus, OH (CMH) has a 82.8% on-time rate across 450,603 BTS-tracked flights (2020-2025), 3.8 pts above the 79% national flight-weighted average; that places it in roughly the below-median on-time performance.
How does CMH rank among U.S. airports by traffic volume?
Columbus, OH ranks #45 of 382 tracked US airports by total BTS flights (most flights = #1), making it a high-volume U.S. airport.
What's the most common cause of delays at Columbus, OH?
Late Aircraft is the leading delay cause at CMH, accounting for 35.0% of delay minutes. The full breakdown: 35.0% late-aircraft, 33.9% carrier, 26.3% NAS/air-traffic-control, 4.7% weather, and 0.1% security.
When is the best time to fly through Columbus, OH?
October is historically CMH's strongest month at 94% on-time, while July is the weakest at 89.7%, a 4.3-point swing across the BTS historical record.
Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights