Route Reliability
Columbus → Miami
CMH–MIA · 990 miles · John Glenn Columbus International Airport to Miami International Airport
- 82%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 0.5%
- Cancelled
- 1,092
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines85%160 flights
- 2.American Airlines81%932 flights
What the data says
Morning flights do better here.
CMH–MIA flights departing between 6–9 AM arrived on time 89% of the time, versus 60% between 3–6 PM.
Friday comes out ahead.
A small edge: 84% on time on Fridays against 78% on Sundays.
Southwest Airlines has a slight edge here.
Southwest Airlines arrived on time 85% of the time on this route; American Airlines managed 81%.
Trending in the right direction.
CMH–MIA flights arrived on time 87% of the time over the last three months in the data, compared with 79% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon83%(160 flights)
- Tue81%(131 flights)
- Wed81%(134 flights)
- Thu82%(158 flights)
- Fri84%(163 flights)
- Sat81%(170 flights)
- Sun78%(169 flights)
- 3–6 AM83%(18 flights)
- 6–9 AM89%(541 flights)
- 9 AM–12 PM85%(147 flights)
- 12–3 PM75%(59 flights)
- 3–6 PM60%(189 flights)
- 6–9 PM81%(131 flights)
Jun 74% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 80 |
| July 2025 | 73% | 81 |
| August 2025 | 77% | 65 |
| September 2025 | 92% | 60 |
| October 2025 | 79% | 62 |
| November 2025 | 87% | 92 |
| December 2025 | 70% | 108 |
| January 2026 | 82% | 109 |
| February 2026 | 85% | 103 |
| March 2026 | 80% | 137 |
| April 2026 | 86% | 92 |
| May 2026 | 94% | 96 |
Same trip, other airports
Keep nerding
Based on 1,092 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.