San Antonio International in January 2024

79.2%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 January 2024, reporting carriers scheduled 3,282 domestic departures from San Antonio International (SAT). 79.2% left less than 15 minutes late and 78.8% reached their destination on time; 3.0% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so SAT departures were 5.2 points above the national departure figure.

Flights arriving at SAT that month were on time 71.6% of the time (3,285 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 33% and national aviation system 18%.

On time 78.8%
Arrived 15+ minutes late 17.9%
Cancelled 3.0%
Diverted 0.3%

Every scheduled departure from SAT in January 2024, judged by arrival at the destination.

January 2024 against a year earlier, the airport's year and the nation

Measure	Jan 2024	Year earlier	SAT, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	79.2%	—	80.3%	74.0%
Arrived on time	78.8%	—	80.6%	72.9%
Cancelled	3.0%	—	1.2%	3.7%
Average departure delay (late minutes only)	14.9 min	—	14.7 min	18.7 min
Scheduled departures a day	109	—	110	18,242
Scheduled departures	3,282	—	40,226	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,317	40%	80.4%	2.6 min	2.1%
AA American Airlines	645	20%	74.9%	11.0 min	2.5%
DL Delta Air Lines	455	14%	82.2%	4.9 min	0.4%
UA United Airlines	446	14%	75.3%	4.9 min	9.2%
NK Spirit Airlines	152	5%	82.2%	6.9 min	2.0%
OO SkyWest Airlines	87	3%	88.5%	-4.9 min	2.3%
B6 JetBlue Airways	62	2%	77.4%	31.8 min	1.6%
F9 Frontier Airlines	46	1%	69.6%	5.0 min	8.7%
AS Alaska Airlines	38	1%	65.8%	10.1 min	7.9%
MQ Envoy Air	34	1%	82.4%	8.1 min	2.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SAT–DFW	San Antonio to Dallas/Fort Worth	369	68.6%	17.1 min	3.5%
SAT–DEN	San Antonio to Denver	251	82.9%	-0.1 min	1.6%
SAT–DAL	San Antonio to Dallas	248	81.0%	1.5 min	2.8%
SAT–PHX	San Antonio to Phoenix	231	81.8%	1.2 min	0.9%
SAT–ATL	San Antonio to Atlanta	223	83.9%	1.7 min	0.0%
SAT–LAS	San Antonio to Las Vegas	187	77.5%	9.8 min	2.1%
SAT–LAX	San Antonio to Los Angeles	164	86.6%	-3.3 min	0.0%
SAT–IAH	San Antonio to Houston	156	75.6%	9.1 min	11.5%
SAT–HOU	San Antonio to Houston	151	79.5%	4.6 min	1.3%
SAT–CLT	San Antonio to Charlotte	116	87.1%	-1.3 min	0.0%
SAT–ORD	San Antonio to Chicago	108	68.5%	7.6 min	13.0%
SAT–SLC	San Antonio to Salt Lake City	87	85.1%	-9.6 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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	33.0%	32.6%	14,456
Late-arriving aircraft	44.0%	39.0%	19,268
National Aviation System	17.8%	17.9%	7,796
Extreme weather	5.1%	10.3%	2,211
Security	0.1%	0.2%	42

43,773 delay minutes on 586 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 SAT on time in January 2024?

79.2% of 3,282 scheduled domestic departures left less than 15 minutes late, and 78.8% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SAT · methodology · corrections.