San Antonio International in October 2023

83.8%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 October 2023, reporting carriers scheduled 3,669 domestic departures from San Antonio International (SAT). 83.8% left less than 15 minutes late and 85.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so SAT departures were level with the national departure figure.

Flights arriving at SAT that month were on time 79.1% of the time (3,669 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 36% and national aviation system 13%.

On time 85.5%
Arrived 15+ minutes late 14.0%
Cancelled 0.5%
Diverted 0.1%

Every scheduled departure from SAT in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	SAT, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	83.8%	—	80.3%	83.8%
Arrived on time	85.5%	—	80.6%	84.0%
Cancelled	0.5%	—	1.2%	0.4%
Average departure delay (late minutes only)	10.8 min	—	14.7 min	11.0 min
Scheduled departures a day	122	—	110	19,966
Scheduled departures	3,669	—	40,226	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,461	40%	84.9%	0.3 min	0.3%
AA American Airlines	724	20%	82.5%	5.8 min	1.4%
DL Delta Air Lines	542	15%	91.3%	-0.9 min	0.2%
UA United Airlines	508	14%	88.8%	-3.7 min	0.0%
NK Spirit Airlines	147	4%	86.4%	-7.0 min	1.4%
F9 Frontier Airlines	119	3%	83.2%	4.8 min	0.8%
OO SkyWest Airlines	74	2%	85.1%	-1.8 min	0.0%
B6 JetBlue Airways	62	2%	64.5%	17.7 min	0.0%
AS Alaska Airlines	31	1%	74.2%	3.4 min	0.0%
MQ Envoy Air	1	0%	0.0%	33.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SAT–DFW	San Antonio to Dallas/Fort Worth	376	73.9%	10.9 min	2.7%
SAT–ATL	San Antonio to Atlanta	276	91.3%	-5.4 min	0.0%
SAT–DEN	San Antonio to Denver	276	84.1%	2.2 min	0.0%
SAT–DAL	San Antonio to Dallas	253	85.4%	0.0 min	0.8%
SAT–PHX	San Antonio to Phoenix	235	86.8%	5.5 min	0.0%
SAT–IAH	San Antonio to Houston	200	84.0%	0.0 min	0.0%
SAT–LAS	San Antonio to Las Vegas	200	87.5%	-3.1 min	1.0%
SAT–LAX	San Antonio to Los Angeles	189	87.3%	7.2 min	0.0%
SAT–HOU	San Antonio to Houston	151	83.4%	-0.5 min	0.7%
SAT–ORD	San Antonio to Chicago	134	97.0%	-9.7 min	0.0%
SAT–MCO	San Antonio to Orlando	123	80.5%	5.3 min	0.8%
SAT–CLT	San Antonio to Charlotte	121	91.7%	-2.3 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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	36.1%	41.3%	11,961
Late-arriving aircraft	48.6%	40.5%	16,119
National Aviation System	13.1%	14.4%	4,354
Extreme weather	2.1%	3.7%	702
Security	0.0%	0.2%	0

33,136 delay minutes on 512 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 October 2023?

83.8% of 3,669 scheduled domestic departures left less than 15 minutes late, and 85.5% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 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 October 2023; 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.