Route · CMH → MIA · 2020–2025 BTS data
Columbus to Miami
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CMH to MIA (Columbus to Miami) ranks #2612 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.5%
- On-time
- +4.5 pts
- vs US avg
- 73 min
- Delay when late
- 4,643
- Flights
- #2612 of 4927
- Corpus placement
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 |
CMH–MIA seasonal on-time pattern
Best: September (91.8%) · weakest: August (78.5%)
Strongest calendar month
September
91.8% on-time · ~49 flights/mo
Busiest calendar month
March
~84 flights/mo avg
Weakest calendar month
August
78.5% on-time · ~60 flights/mo
Cancellation Rate
0.5%
10 of 1,881 flights
Diversion Rate
0.3%
6 of 1,881 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CMH - Columbus
Full on-time, delay-cause, and seasonal performance for Columbus, OH.
CMH on-time profileMIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileCompare the two airports
See CMH and MIA side by side on delays, cancellations, and reliability.
Compare CMH vs MIAOrigin-hub reliability standing
Mid-pack among CMH departures
From CMH, this corridor sits with 19 other 75–85% on-time routes out of 33 tracked departures, not the hub's reliability leaders (13 at ≥85%) and not the softest ( 1 below 75%). Destination: Miami · fleet on-time rank #1750 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CMH–MIA.
Routes with a similar on-time rate
Routes of a similar trip length
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.
On the multi-year calendar, CMH–MIA peaks in September at 91.8% on-time while March carries the heaviest traffic (~84 flights per month) ; the softest month is August at 78.5%, a 13.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CMH to MIA rank among US routes by traffic? ▼
How often are flights delayed from CMH to MIA? ▼
What is the cancellation rate for CMH to MIA? ▼
How far is the flight from CMH to MIA? ▼
When is the best time to fly from CMH to MIA? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using CMH–MIA data
CMH–MIA runs 4.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare CMH and MIA airport profiles: delay causes and top routes differ even on the same corridor. CMH airport
- If your dates flex, September (91.8% on-time) beats August (78.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.