Nashville International in September 2025

82.2%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 September 2025, reporting carriers scheduled 8,686 domestic departures from Nashville International (BNA). 82.2% left less than 15 minutes late and 84.8% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so BNA departures were 0.9 points below the national departure figure.

A year earlier, in September 2024, the airport had 8,290 departures with 84.0% leaving on time: a change of −1.8 points, with flights up 5%.

Flights arriving at BNA that month were on time 85.1% of the time (8,687 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 37%, late-arriving aircraft 37% and national aviation system 23%.

On time 84.8%
Arrived 15+ minutes late 14.8%
Cancelled 0.2%
Diverted 0.2%

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

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

Measure	Sep 2025	Sep 2024	BNA, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	82.2%	84.0%	71.0%	83.1%
Arrived on time	84.8%	83.8%	74.4%	82.8%
Cancelled	0.2%	0.5%	1.5%	0.5%
Average departure delay (late minutes only)	11.5 min	10.4 min	18.0 min	12.2 min
Scheduled departures a day	290	276	300	18,748
Scheduled departures	8,686	8,290	109,436	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	4,731	54%	86.6%	-1.9 min	0.0%
AA American Airlines	825	9%	78.4%	12.8 min	1.1%
DL Delta Air Lines	779	9%	89.0%	-2.4 min	0.0%
UA United Airlines	588	7%	86.2%	2.6 min	0.5%
YX Republic Airline	529	6%	83.0%	2.1 min	0.4%
NK Spirit Airlines	294	3%	84.0%	0.5 min	1.0%
OO SkyWest Airlines	256	3%	82.8%	1.4 min	0.0%
G4 Allegiant Air	181	2%	81.8%	8.1 min	0.0%
MQ Envoy Air	146	2%	78.1%	4.4 min	0.7%
B6 JetBlue Airways	140	2%	66.4%	11.3 min	0.7%
F9 Frontier Airlines	104	1%	76.9%	3.6 min	1.0%
AS Alaska Airlines	103	1%	77.7%	1.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BNA–ORD	Nashville to Chicago	397	81.1%	5.4 min	0.3%
BNA–ATL	Nashville to Atlanta	343	93.0%	-7.1 min	0.0%
BNA–DCA	Nashville to Washington	338	79.0%	1.7 min	0.6%
BNA–DEN	Nashville to Denver	315	83.2%	2.8 min	0.0%
BNA–LGA	Nashville to New York	301	84.1%	-0.4 min	0.0%
BNA–DFW	Nashville to Dallas/Fort Worth	287	75.6%	17.9 min	2.1%
BNA–MCO	Nashville to Orlando	265	89.1%	-5.4 min	0.0%
BNA–BOS	Nashville to Boston	257	55.3%	29.3 min	0.4%
BNA–CLT	Nashville to Charlotte	254	82.7%	7.9 min	0.4%
BNA–PHL	Nashville to Philadelphia	234	77.8%	11.4 min	0.4%
BNA–AUS	Nashville to Austin	228	90.4%	-5.7 min	0.0%
BNA–DTW	Nashville to Detroit	201	89.6%	-6.9 min	0.0%

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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	37.1%	34.3%	29,697
Late-arriving aircraft	36.5%	37.4%	29,267
National Aviation System	22.5%	22.6%	18,002
Extreme weather	3.9%	5.6%	3,136
Security	0.0%	0.1%	0

80,102 delay minutes on 1,283 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 September 2025?

82.2% of 8,686 scheduled domestic departures left less than 15 minutes late, and 84.8% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 84.0% of 8,290 departures left on time and 0.5% were cancelled, against 82.2% and 0.2% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 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.