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Route · CMH → MIA · 2020–2025 BTS data

Columbus to Miami

The CMH–MIA corridor (Columbus, OH → Miami, FL) runs ahead of the national average, served by 16 carriers across roughly 990 miles.

Data updated 2026-06-13

83.5%
On-time
+4.5 pts
vs US avg
73 min
Delay when late
4,643
Flights

Cancelled

0.5%

Best Month

Oct 2024 95%

Worst Month

Dec 2025 69%

Distance

990 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 108 33 0 0 WN,AA,MQ
Nov 2025 92 12 0 0 MQ,WN,YX
Oct 2025 62 13 0 0 MQ
Sep 2025 60 6 0 0 MQ
Aug 2025 66 16 0 1 AA,WN,MQ
Jul 2025 82 23 0 1 WN,MQ
Jun 2025 81 21 1 0 WN,MQ
May 2025 75 22 0 0 WN,MQ
Apr 2025 103 16 0 0 MQ,WN,AA
Mar 2025 122 17 2 1 AA,WN,YX,MQ
Feb 2025 103 21 0 0 AA,WN,YX,MQ
Jan 2025 100 20 1 0 AA,WN,YX,MQ
Dec 2024 92 20 0 0 AA,MQ,YX
Nov 2024 83 6 0 0 MQ
Oct 2024 62 3 1 0 MQ
Sep 2024 60 6 0 0 MQ
Aug 2024 61 16 1 0 MQ
Jul 2024 62 11 0 1 MQ
Jun 2024 60 12 4 1 MQ
May 2024 62 10 0 0 MQ
Apr 2024 64 8 0 0 MQ
Mar 2024 93 17 0 1 MQ
Feb 2024 70 13 0 0 MQ,YX
Jan 2024 58 17 0 0 MQ,YX

Cancellation Rate

0.5%

10 of 1,881 flights

Diversion Rate

0.3%

6 of 1,881 flights

What the Data Says About CMH to MIA

Bureau of Transportation Statistics records show Columbus to Miami (CMH to MIA) running a 83.5% on-time rate over 4,643 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.5 minutes. The 990-mile corridor is served by 16 carriers, and over the last 24 months 0.5% of 1,881 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 69% - a 26-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from CMH to MIA?
Flights from Columbus to Miami have a 83.5% on-time rate based on 4,643 flights. The average delay is 72.5 minutes. The best recent month was Oct 2024 with 95% on-time.
What is the cancellation rate for CMH to MIA?
Over the last 24 months, 0.5% of flights on this route were cancelled (10 of 1,881 flights) and 0.3% were diverted.
How far is the flight from CMH to MIA?
The flight distance from Columbus (CMH) to Miami (MIA) is approximately 990 miles. This route is served by 16 carriers.
When is the best time to fly from CMH to MIA?
The best recent month for on-time performance was Oct 2024 (95% on-time). The worst was Dec 2025 (69% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

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 Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.