Lubbock Preston Smith International in May 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 May 2025, reporting carriers scheduled 574 domestic departures from Lubbock Preston Smith International (LBB). 77.2% left less than 15 minutes late and 74.2% reached their destination on time; 2.8% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so LBB departures were 0.5 points above the national departure figure.

A year earlier, in May 2024, the airport had 561 departures with 71.7% leaving on time: a change of +5.5 points, with flights up 2%.

Flights arriving at LBB that month were on time 69.0% of the time (575 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 27% and national aviation system 21%.

On time 74.2%
Arrived 15+ minutes late 21.6%
Cancelled 2.8%
Diverted 1.4%

Every scheduled departure from LBB in May 2025, judged by arrival at the destination.

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

Measure	May 2025	May 2024	LBB, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	77.2%	71.7%	81.3%	76.7%
Arrived on time	74.2%	69.7%	81.1%	75.4%
Cancelled	2.8%	6.1%	1.7%	1.0%
Average departure delay (late minutes only)	17.6 min	26.9 min	16.6 min	17.5 min
Scheduled departures a day	19	19	18	20,188
Scheduled departures	574	561	6,557	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	229	40%	79.5%	2.9 min	0.9%
MQ Envoy Air	129	22%	72.9%	13.7 min	5.4%
OO SkyWest Airlines	129	22%	59.7%	22.0 min	3.9%
AA American Airlines	87	15%	83.9%	6.4 min	2.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LBB–DFW	Lubbock to Dallas/Fort Worth	243	74.1%	12.5 min	4.5%
LBB–DAL	Lubbock to Dallas	141	77.3%	4.8 min	1.4%
LBB–DEN	Lubbock to Denver	85	63.5%	18.9 min	2.4%
LBB–LAS	Lubbock to Las Vegas	31	77.4%	3.5 min	0.0%
LBB–PHX	Lubbock to Phoenix	31	93.5%	-6.1 min	0.0%
LBB–AUS	Lubbock to Austin	26	80.8%	4.3 min	0.0%
LBB–IAH	Lubbock to Houston	9	22.2%	63.8 min	11.1%
LBB–HOU	Lubbock to Houston	8	87.5%	-8.6 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	27.0%	29.3%	2,590
Late-arriving aircraft	37.9%	37.8%	3,629
National Aviation System	21.2%	25.9%	2,027
Extreme weather	13.9%	6.9%	1,335
Security	0.0%	0.1%	0

9,581 delay minutes on 124 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 May 2025?

77.2% of 574 scheduled domestic departures left less than 15 minutes late, and 74.2% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 71.7% of 561 departures left on time and 6.1% were cancelled, against 77.2% and 2.8% in May 2025.

Provenance

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