Lubbock Preston Smith International in December 2025

80.1%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 December 2025, reporting carriers scheduled 564 domestic departures from Lubbock Preston Smith International (LBB). 80.1% left less than 15 minutes late and 82.3% reached their destination on time; 0.2% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so LBB departures were 8.1 points above the national departure figure.

A year earlier, in December 2024, the airport had 570 departures with 79.3% leaving on time: a change of +0.8 points, with flights down 1%.

Flights arriving at LBB that month were on time 74.9% of the time (566 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 56%, air carrier 30% and national aviation system 8%.

On time 82.3%
Arrived 15+ minutes late 17.6%
Cancelled 0.2%
Diverted 0.0%

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

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

Measure	Dec 2025	Dec 2024	LBB, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	80.1%	79.3%	81.3%	72.0%
Arrived on time	82.3%	81.4%	81.1%	71.9%
Cancelled	0.2%	0.9%	1.7%	1.5%
Average departure delay (late minutes only)	15.8 min	17.4 min	16.6 min	21.2 min
Scheduled departures a day	19	19	18	19,410
Scheduled departures	564	570	6,557	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	233	41%	86.7%	-0.5 min	0.0%
MQ Envoy Air	125	22%	84.0%	1.4 min	0.0%
OO SkyWest Airlines	119	21%	70.6%	24.0 min	0.0%
AA American Airlines	48	9%	89.6%	2.1 min	0.0%
OH PSA Airlines	39	7%	76.9%	9.0 min	2.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LBB–DFW	Lubbock to Dallas/Fort Worth	204	82.8%	4.1 min	0.5%
LBB–DAL	Lubbock to Dallas	140	87.1%	-2.3 min	0.0%
LBB–DEN	Lubbock to Denver	78	74.4%	24.9 min	0.0%
LBB–PHX	Lubbock to Phoenix	33	93.9%	-6.2 min	0.0%
LBB–LAS	Lubbock to Las Vegas	31	80.6%	5.5 min	0.0%
LBB–IAH	Lubbock to Houston	30	56.7%	37.4 min	0.0%
LBB–AUS	Lubbock to Austin	29	82.8%	-0.1 min	0.0%
LBB–HOU	Lubbock to Houston	12	91.7%	2.1 min	0.0%
LBB–MIA	Lubbock to Miami	6	100.0%	-32.0 min	0.0%
LBB–FLL	Lubbock to Fort Lauderdale	1	100.0%	-13.0 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	30.0%	33.3%	2,390
Late-arriving aircraft	55.9%	41.1%	4,458
National Aviation System	7.9%	19.1%	629
Extreme weather	6.2%	6.4%	492
Security	0.0%	0.2%	0

7,969 delay minutes on 99 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 December 2025?

80.1% of 564 scheduled domestic departures left less than 15 minutes late, and 82.3% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 79.3% of 570 departures left on time and 0.9% were cancelled, against 80.1% and 0.2% in December 2025.

Provenance

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