Best Time to Fly MIA to CMH: On-Time Stats by Hour & Airline
Miami International → John Glenn Columbus International
Data through July 2026 · Last updated October 18, 2026
1,152 flights were scheduled from Miami (MIA) to Columbus (CMH) in the last 12 months, and 77.9% of those that flew arrived on time, in line with the US average of 77.6%.
American Airlines was the most punctual of the 3 airlines on the route at 87.2%, while Southwest Airlines trailed at 58.6%.
October has been the best month (85% on time) and Sunday the weakest day of the week (66%).
0.4% of flights were cancelled, versus 1.8% nationally.
MIA to CMH on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 87.2% | 58 min | 2.5% | 40 |
| Envoy Air | 80.6% | 50 min | 0.1% | 940 |
| Southwest Airlines | 58.6% | 55 min | 1.9% | 160 |
| Republic Airways | Limited data | 12 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to CMH
On-time arrival % by scheduled departure hour (local time), 2,175 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 14 | |
| 8am–9am | 94.2% | 0.7% | 140 |
| 9am–10am | Limited data | 7 | |
| 10am–11am | 88.9% | 0.0% | 72 |
| 11am–12pm | Limited data | 18 | |
| 12pm–1pm | 61.5% | 0.0% | 83 |
| 1pm–2pm | Limited data | 26 | |
| 2pm–3pm | 79.2% | 0.0% | 130 |
| 3pm–4pm | 74.1% | 0.9% | 227 |
| 4pm–5pm | 71.7% | 0.9% | 339 |
| 5pm–6pm | Limited data | 10 | |
| 6pm–7pm | Limited data | 1 | |
| 7pm–8pm | 75.6% | 0.7% | 422 |
| 8pm–9pm | 81.2% | 0.0% | 103 |
| 9pm–10pm | 79.3% | 0.4% | 535 |
| 10pm–11pm | 85.4% | 0.0% | 48 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA to CMH
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 71.1% | -8.0 pts | 0.0% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.9% | -6.2 pts | 0.0% | 107 |
| Summer peak (Jun 15 - Aug 15) | 72.5% | -6.7 pts | 0.3% | 364 |
| All other days | 79.1% | — | 0.6% | 1,659 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).