Blue Grass in August 2025

78.4%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 865 domestic departures from Blue Grass (LEX). 78.4% left less than 15 minutes late and 77.2% reached their destination on time; 1.5% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so LEX departures were 1.6 points above the national departure figure.

A year earlier, in August 2024, the airport had 789 departures with 79.3% leaving on time: a change of −0.9 points, with flights up 10%.

Flights arriving at LEX that month were on time 76.7% of the time (867 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 44%, late-arriving aircraft 32% and extreme weather 12%.

On time 77.2%
Arrived 15+ minutes late 21.0%
Cancelled 1.5%
Diverted 0.2%

Every scheduled departure from LEX 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	LEX, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	78.4%	79.3%	78.7%	76.8%
Arrived on time	77.2%	76.8%	77.9%	76.3%
Cancelled	1.5%	2.0%	2.2%	1.1%
Average departure delay (late minutes only)	20.1 min	17.4 min	18.5 min	17.6 min
Scheduled departures a day	29	26	25	20,079
Scheduled departures	865	789	9,242	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	243	28%	70.0%	25.3 min	2.5%
OH PSA Airlines	241	28%	77.6%	15.1 min	2.5%
DL Delta Air Lines	193	22%	89.6%	-6.8 min	0.0%
G4 Allegiant Air	72	8%	62.5%	11.2 min	0.0%
MQ Envoy Air	62	7%	67.7%	11.7 min	1.6%
YX Republic Airline	54	6%	94.4%	-4.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LEX–ATL	Lexington to Atlanta	193	89.6%	-6.8 min	0.0%
LEX–ORD	Lexington to Chicago	174	67.8%	31.1 min	3.4%
LEX–CLT	Lexington to Charlotte	152	77.0%	6.5 min	1.3%
LEX–DFW	Lexington to Dallas/Fort Worth	124	74.2%	22.8 min	2.4%
LEX–DTW	Lexington to Detroit	61	85.2%	5.7 min	0.0%
LEX–PHL	Lexington to Philadelphia	32	75.0%	18.1 min	6.3%
LEX–DEN	Lexington to Denver	31	67.7%	16.4 min	0.0%
LEX–DCA	Lexington to Washington	26	100.0%	-13.9 min	0.0%
LEX–SFB	Lexington to Sanford	20	50.0%	18.1 min	0.0%
LEX–PIE	Lexington to St. Petersburg	16	68.8%	16.2 min	0.0%
LEX–FLL	Lexington to Fort Lauderdale	12	75.0%	-2.1 min	0.0%
LEX–PGD	Lexington to Punta Gorda	9	55.6%	7.3 min	0.0%

By scheduled departure hour

100

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	43.9%	33.1%	7,317
Late-arriving aircraft	32.4%	40.5%	5,405
National Aviation System	11.8%	19.2%	1,961
Extreme weather	12.0%	7.0%	2,001
Security	0.0%	0.1%	0

16,684 delay minutes on 182 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 LEX on time in August 2025?

78.4% of 865 scheduled domestic departures left less than 15 minutes late, and 77.2% 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, 79.3% of 789 departures left on time and 2.0% were cancelled, against 78.4% and 1.5% 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 LEX · methodology · corrections.