FlightRecord

Cincinnati (CVG) to Miami (MIA): On-Time Performance

Data through July 2026

Cincinnati (CVG) to Miami (MIA) effectively runs on two schedules. In November 2024, 93% of arrivals were on time; in June 2025 that fell to 61% — a 32-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 69%), which matters most in the rough months.

On-time
80%
arrived <15 min late
Avg delay
15 min
completed flights
Cancelled
1.1%
Flights/day
2.7
last 12 months
Duration
2h 40m
scheduled
Distance
948 mi

Best airline from CVG to MIA

3 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Envoy Airmost reliable81%14 min0.9%1,696
American Airlines77%28 min1.9%103
Frontier Airlines76%19 min1.7%343

Monthly on-time trend

Monthly on-time percentage for CVG to MIA flights50%75%100%August 2024: 74% on-time (72 flights)74Aug 2024September 2024: 88% on-time (69 flights)88October 2024: 87% on-time (91 flights)87November 2024: 93% on-time (98 flights)93Nov 2024December 2024: 73% on-time (109 flights)73January 2025: 76% on-time (113 flights)76February 2025: 73% on-time (108 flights)73Feb 2025March 2025: 85% on-time (139 flights)85April 2025: 86% on-time (79 flights)86May 2025: 74% on-time (75 flights)74May 2025June 2025: 61% on-time (74 flights)61July 2025: 70% on-time (77 flights)70August 2025: 80% on-time (73 flights)80Aug 2025September 2025: 72% on-time (60 flights)72October 2025: 82% on-time (68 flights)82November 2025: 90% on-time (87 flights)90Nov 2025December 2025: 68% on-time (107 flights)68January 2026: 83% on-time (109 flights)83February 2026: 74% on-time (82 flights)74Feb 2026March 2026: 80% on-time (122 flights)80April 2026: 89% on-time (80 flights)89May 2026: 90% on-time (73 flights)90May 2026June 2026: 82% on-time (60 flights)82July 2026: 82% on-time (62 flights)82

Best time to fly from CVG to MIA

Aim for departures around 7 a.m. (94% on-time); avoid 7 p.m. departures (65%).

On-time percentage by scheduled departure hour, CVG to MIA5 a.m.: 92% on-time (118 flights)56 a.m.: 87% on-time (708 flights)67 a.m.: 94% on-time (127 flights)78 a.m.: 82% on-time (303 flights)811 a.m.: 75% on-time (69 flights)111 p.m.: 78% on-time (24 flights)135 p.m.: 69% on-time (145 flights)176 p.m.: 73% on-time (341 flights)187 p.m.: 65% on-time (253 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday80%17 min
Tuesdaybest84%10 min
Wednesday82%16 min
Thursday78%12 min
Friday80%12 min
Saturday80%14 min
Sunday75%26 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft44%
  • Airline operations31%
  • National airspace system19%
  • Weather5%

Frequently asked questions

How often are flights from CVG to MIA delayed?
20% of CVG–MIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
Which airline is most reliable from CVG to MIA?
Envoy Air has the best on-time record on this route at 81%, based on 1,696 flights. 3 airlines flew CVG–MIA frequently enough to compare in this period.
What is the best time of day to fly from CVG to MIA?
Departures around 7 a.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from CVG to MIA?
The scheduled CVG–MIA flight time averages 2h 40m over 948 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
How often are CVG to MIA flights cancelled?
1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from CVG to MIA?
June 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 32-point gap is worth planning around.

Based on 2,167 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.