Lubbock Preston Smith International in August 2025

77.6%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 577 domestic departures from Lubbock Preston Smith International (LBB). 77.6% left less than 15 minutes late and 75.2% reached their destination on time; 0.7% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so LBB departures were 0.8 points above the national departure figure.

A year earlier, in August 2024, the airport had 544 departures with 89.2% leaving on time: a change of −11.6 points, with flights up 6%.

Flights arriving at LBB that month were on time 72.7% of the time (576 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 33% and national aviation system 25%.

On time 75.2%
Arrived 15+ minutes late 23.1%
Cancelled 0.7%
Diverted 1.0%

Every scheduled departure from LBB 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	LBB, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	77.6%	89.2%	81.3%	76.8%
Arrived on time	75.2%	88.8%	81.1%	76.3%
Cancelled	0.7%	0.4%	1.7%	1.1%
Average departure delay (late minutes only)	21.4 min	9.8 min	16.6 min	17.6 min
Scheduled departures a day	19	18	18	20,079
Scheduled departures	577	544	6,557	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	219	38%	84.0%	-0.4 min	0.0%
MQ Envoy Air	172	30%	74.4%	8.9 min	0.6%
OO SkyWest Airlines	155	27%	63.9%	29.0 min	1.9%
AA American Airlines	31	5%	74.2%	42.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LBB–DFW	Lubbock to Dallas/Fort Worth	247	71.3%	15.9 min	1.2%
LBB–DAL	Lubbock to Dallas	130	83.1%	-1.3 min	0.0%
LBB–DEN	Lubbock to Denver	82	62.2%	32.1 min	1.2%
LBB–LAS	Lubbock to Las Vegas	31	80.6%	7.1 min	0.0%
LBB–PHX	Lubbock to Phoenix	30	96.7%	2.5 min	0.0%
LBB–AUS	Lubbock to Austin	26	96.2%	-6.9 min	0.0%
LBB–IAH	Lubbock to Houston	21	61.9%	31.8 min	0.0%
LBB–HOU	Lubbock to Houston	10	70.0%	5.4 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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	32.5%	33.1%	3,887
Late-arriving aircraft	35.9%	40.5%	4,294
National Aviation System	25.0%	19.2%	2,996
Extreme weather	6.7%	7.0%	799
Security	0.0%	0.1%	0

11,976 delay minutes on 133 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 LBB on time in August 2025?

77.6% of 577 scheduled domestic departures left less than 15 minutes late, and 75.2% 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, 89.2% of 544 departures left on time and 0.4% were cancelled, against 77.6% and 0.7% 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 LBB · methodology · corrections.