Nashville International in August 2025

77.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2025, reporting carriers scheduled 9,012 domestic departures from Nashville International (BNA). 77.2% left less than 15 minutes late and 79.8% reached their destination on time; 0.8% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so BNA departures were level with the national departure figure.

A year earlier, in August 2024, the airport had 8,770 departures with 79.0% leaving on time: a change of −1.8 points, with flights up 3%.

Flights arriving at BNA that month were on time 80.5% of the time (9,011 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 33% and national aviation system 21%.

On time 79.8%
Arrived 15+ minutes late 19.0%
Cancelled 0.8%
Diverted 0.3%

Every scheduled departure from BNA in August 2025, judged by arrival at the destination.

August 2025 against a year earlier, the airport's year and the nation

Measure	Aug 2025	Aug 2024	BNA, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	77.2%	79.0%	71.0%	76.8%
Arrived on time	79.8%	79.5%	74.4%	76.3%
Cancelled	0.8%	1.7%	1.5%	1.1%
Average departure delay (late minutes only)	14.6 min	15.1 min	18.0 min	17.6 min
Scheduled departures a day	300	292	300	20,079
Scheduled departures	9,012	8,770	109,436	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	4,901	54%	79.9%	2.8 min	0.4%
DL Delta Air Lines	850	9%	90.1%	-7.7 min	0.7%
AA American Airlines	812	9%	70.0%	18.1 min	2.2%
UA United Airlines	552	6%	82.2%	5.4 min	1.1%
YX Republic Airline	495	5%	80.6%	2.6 min	1.2%
OO SkyWest Airlines	287	3%	76.7%	20.1 min	1.7%
NK Spirit Airlines	280	3%	77.9%	10.5 min	0.7%
G4 Allegiant Air	256	3%	84.0%	1.5 min	0.0%
B6 JetBlue Airways	134	1%	80.6%	-2.8 min	0.0%
MQ Envoy Air	127	1%	76.4%	11.8 min	2.4%
AS Alaska Airlines	117	1%	64.1%	13.3 min	1.7%
OH PSA Airlines	111	1%	83.8%	-1.6 min	2.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BNA–ORD	Nashville to Chicago	413	71.4%	22.9 min	2.7%
BNA–ATL	Nashville to Atlanta	365	87.7%	-5.9 min	1.1%
BNA–DCA	Nashville to Washington	345	81.7%	-2.1 min	1.7%
BNA–DEN	Nashville to Denver	329	74.2%	9.0 min	0.9%
BNA–DFW	Nashville to Dallas/Fort Worth	296	65.5%	17.5 min	4.7%
BNA–LGA	Nashville to New York	296	80.4%	1.0 min	1.4%
BNA–CLT	Nashville to Charlotte	280	81.4%	1.7 min	1.1%
BNA–BOS	Nashville to Boston	266	78.6%	-2.8 min	0.4%
BNA–MCO	Nashville to Orlando	266	72.2%	6.2 min	0.8%
BNA–PHL	Nashville to Philadelphia	247	74.9%	18.1 min	0.0%
BNA–AUS	Nashville to Austin	234	79.9%	6.4 min	0.0%
BNA–DTW	Nashville to Detroit	211	90.5%	-7.0 min	0.9%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	32.5%	33.1%	34,954
Late-arriving aircraft	43.2%	40.5%	46,441
National Aviation System	20.9%	19.2%	22,430
Extreme weather	3.2%	7.0%	3,468
Security	0.1%	0.1%	112

107,405 delay minutes on 1,715 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left BNA on time in August 2025?

77.2% of 9,012 scheduled domestic departures left less than 15 minutes late, and 79.8% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 79.0% of 8,770 departures left on time and 1.7% were cancelled, against 77.2% and 0.8% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BNA · methodology · corrections.