Route
CVG → MIA
Cincinnati Northern Kentucky International Airport Miami International Airport
948 miles
Return route MIA → CVG →
How punctual is this route?
- On-time arrivals
- 81.6%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 989
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 36%
- Air traffic control & airport 20%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 72.9% | 60 |
| October 2025 | 82.4% | 68 |
| November 2025 | 91.8% | 87 |
| December 2025 | 68.2% | 107 |
| January 2026 | 82.9% | 109 |
| February 2026 | 74.4% | 82 |
| March 2026 | 80.3% | 122 |
| April 2026 | 88.8% | 80 |
| May 2026 | 90.4% | 73 |
| June 2026 | 81.7% | 60 |
| July 2026 | 82.3% | 62 |
| August 2026 | 86.1% | 79 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Envoy Air | 795 | 83.8% | 0.6% | 60 min |
| Frontier Airlines | 101 | 72.4% | 2.0% | 74 min |
| American Airlines | 76 | 75.3% | 1.3% | 143 min |
| Republic Airways | 16 | 62.5% | 0.0% | 49 min |
| Delta Air Lines | 1 | 0.0% | 0.0% | 37 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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