FlightRecord

Nashville (BNA) to Miami (MIA): On-Time Performance

Data through May 2026

When you fly BNA to MIA matters as much as anything else about the booking: the route swung from 88% on-time in November 2024 to just 61% in July 2025. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 65%), which matters most in the rough months.

On-time
76%
arrived <15 min late
Avg delay
19 min
completed flights
Cancelled
1.5%
Flights/day
6.8
last 12 months
Duration
2h 21m
scheduled
Distance
806 mi

Best airline from BNA to MIA

4 airlines flew this route regularly between 2024-06 and 2026-05.

AirlineOn-timeAvg delayCancelledFlights
American Airlinesmost reliable76%22 min1.4%2,464
Southwest Airlines76%14 min1.2%1,281
Envoy Air74%18 min1.8%847
Spirit Airlines68%22 min2.1%141

Monthly on-time trend

Monthly on-time percentage for BNA to MIA flights50%75%100%June 2024: 67% on-time (216 flights)67Jun 2024July 2024: 70% on-time (191 flights)70August 2024: 69% on-time (204 flights)69September 2024: 78% on-time (170 flights)78Sep 2024October 2024: 85% on-time (189 flights)85November 2024: 88% on-time (179 flights)88December 2024: 82% on-time (174 flights)82Dec 2024January 2025: 77% on-time (213 flights)77February 2025: 80% on-time (196 flights)80March 2025: 72% on-time (227 flights)72Mar 2025April 2025: 76% on-time (174 flights)76May 2025: 76% on-time (180 flights)76June 2025: 66% on-time (173 flights)66Jun 2025July 2025: 61% on-time (176 flights)61August 2025: 72% on-time (189 flights)72September 2025: 83% on-time (187 flights)83Sep 2025October 2025: 80% on-time (205 flights)80November 2025: 76% on-time (209 flights)76December 2025: 80% on-time (214 flights)80Dec 2025January 2026: 76% on-time (241 flights)76February 2026: 80% on-time (208 flights)80March 2026: 70% on-time (227 flights)70Mar 2026April 2026: 79% on-time (216 flights)79May 2026: 74% on-time (227 flights)74

Best time to fly from BNA to MIA

Aim for departures around 6 a.m. (88% on-time); avoid 7 p.m. departures (53%).

On-time percentage by scheduled departure hour, BNA to MIA5 a.m.: 87% on-time (576 flights)56 a.m.: 88% on-time (236 flights)67 a.m.: 81% on-time (771 flights)78 a.m.: 87% on-time (129 flights)89 a.m.: 86% on-time (139 flights)910 a.m.: 82% on-time (423 flights)1011 a.m.: 76% on-time (461 flights)1112 p.m.: 75% on-time (80 flights)121 p.m.: 67% on-time (136 flights)132 p.m.: 58% on-time (77 flights)143 p.m.: 74% on-time (134 flights)154 p.m.: 66% on-time (373 flights)165 p.m.: 70% on-time (351 flights)176 p.m.: 65% on-time (684 flights)187 p.m.: 53% on-time (128 flights)198 p.m.: 66% on-time (50 flights)209 p.m.: 56% on-time (37 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday73%23 min
Tuesday82%14 min
Wednesdaybest82%15 min
Thursday73%23 min
Friday74%20 min
Saturday76%17 min
Sunday70%25 min

What causes delays on this route

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

  • Late-arriving aircraft51%
  • Airline operations32%
  • National airspace system16%
  • Weather2%

Frequently asked questions

How often are flights from BNA to MIA delayed?
25% of BNA–MIA 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 19 minutes.
Which airline is most reliable from BNA to MIA?
American Airlines has the best on-time record on this route at 76%, based on 2,464 flights. 4 airlines flew BNA–MIA frequently enough to compare in this period.
What is the best time of day to fly from BNA to MIA?
Departures around 6 a.m. have the best record (88% on-time), while departures around 7 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BNA to MIA?
The scheduled BNA–MIA flight time averages 2h 21m over 806 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
How often are BNA to MIA flights cancelled?
1.5% 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 BNA to MIA?
July 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was November 2024 at 88%. If your dates are flexible, that 27-point gap is worth planning around.

Based on 4,785 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.