Miami (MIA) to Columbus (CMH): On-Time Performance
Data through May 2026
When you fly MIA to CMH matters as much as anything else about the booking: the route swung from 89% on-time in October 2024 to just 61% in June 2024. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 77%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 3.0
- last 12 months
- Duration
- 2h 52m
- scheduled
- Distance
- 990 mi
Best airline from MIA to CMH
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 79% | 12 min | 0.6% | 1,678 |
| American Airlines | 75% | 33 min | 1.4% | 141 |
| Southwest Airlines | 66% | 24 min | 1.3% | 237 |
Monthly on-time trend
Best time to fly from MIA to CMH
Aim for departures around 8 a.m. (94% on-time); avoid 12 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 15 min |
| Tuesdaybest | 88% | 8 min |
| Wednesday | 81% | 13 min |
| Thursday | 74% | 16 min |
| Friday | 76% | 13 min |
| Saturday | 78% | 13 min |
| Sunday | 67% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations24%
- National airspace system21%
- Weather5%
Frequently asked questions
- How often are flights from MIA to CMH delayed?
- 23% of MIA–CMH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from MIA to CMH?
- Envoy Air has the best on-time record on this route at 79%, based on 1,678 flights. 3 airlines flew MIA–CMH frequently enough to compare in this period.
- What is the best time of day to fly from MIA to CMH?
- Departures around 8 a.m. have the best record (94% on-time), while departures around 12 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MIA to CMH?
- The scheduled MIA–CMH flight time averages 2h 52m over 990 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are MIA to CMH flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from MIA to CMH?
- June 2024 was the roughest month in this dataset, with only 61% of arrivals on time. The best was October 2024 at 89%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 2,071 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.