San Antonio
SAT · KSATSan Antonio International Airport
Passengers a year
10.4M
#43 busiest in the U.S.
51
nonstop destinations
34
airlines
122
departures a day
77.1%
arrivals on time
1.2%
flights cancelled
76.3%
load factor
Airlines
Southwest Airlines is the largest carrier at San Antonio, with 34% of all passengers. 34 airlines fly from here.
Share of passengers · each carrier as a slice of the whole airport
Southwest Airlines holds 34% of the airport — the 18th most concentrated of 35 medium hubs. The nearest comparison is OMA at 36%.
| Airline | Share | Passengers | Seats YoY | ||
|---|---|---|---|---|---|
WN Southwest74% full | 34.3% | 3.6M | 23 | 76.3% | -4.3% |
AA | 21.3% | 2.2M | 9 | 68.9% | -1.7% |
DL | 15.3% | 1.6M | 7 | 81.5% | +3.1% |
UA | 14.5% | 1.5M | 7 | 82.1% | -1.2% |
NK Spirit74% full | 3.2% | 336K | 8 | 79% | -40% |
+Other airlines | 11.3% | 1.2M | — | — | — |
Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.
Destinations
42 domestic and 9 international nonstop destinations from San Antonio, across 3 countries.
93% domestic · 7% international · by departing passengers
Top domestic destinations
544.6K544,647 departing · 83% full
American Airlines
Delta Air Lines · Southwest Airlines · Frontier Airlines
Southwest Airlines · United Airlines · Frontier Airlines
United Airlines
Southwest Airlines · American Airlines · Frontier Airlines
Southwest Airlines
Southwest Airlines · Frontier Airlines · Spirit Airlines
191.9K191,922 departing · 81% full
Delta Air Lines · Southwest Airlines · American Airlines · Spirit Airlines
United Airlines · American Airlines
American Airlines
Top international destinations
Mexico City, Mexico (MEX)
146.5K146,469 departing · 292.3K292,319 both ways
Aeroméxico · Volaris · Viva
Guadalajara, Mexico (GDL)
77.9K77,934 departing · 154.8K154,761 both ways
Volaris
Monterrey, Mexico (MTY)
74.9K74,922 departing · 151.6K151,553 both ways
Viva
Cancún, Mexico (CUN)
18.3K18,305 departing · 36.6K36,638 both ways
Southwest Airlines · Sun Country Airlines
Querétaro, Mexico (QRO)
15K14,961 departing · 29.2K29,176 both ways
Viva
Silao, Mexico (BJX)
10.1K10,149 departing · 22.5K22,468 both ways
Viva
San Luis Potosí, Mexico (SLP)
9.8K9,822 departing · 19.7K19,680 both ways
Volaris
Morelia, Mexico (MLM)
6.2K6,174 departing · 12.3K12,336 both ways
Volaris
Torreón, Mexico (TRC)
969969 departing · 2K1,954 both ways
Viva
All nonstop destinations
51 nonstop · 12 airlines · 42 domestic / 9 intl
Aircraft
By share of departures at San Antonio.
Body class · share of departures
- Narrowbody
7,889 departures · 74% full
17.7%
- Narrowbody
7,254 departures · 76% full
16.3%
- Narrowbody
5,791 departures · 74% full
13.0%
- Narrowbody
5,277 departures · 78% full
11.9%
- Narrowbody
4,542 departures · 79% full
10.2%
- Narrowbody
3,895 departures · 76% full
8.8%
- Regional
2,685 departures · 84% full
6.0%
- Narrowbody
1,586 departures · 71% full
3.6%
- Narrowbody
1,504 departures · 82% full
3.4%
- Narrowbody
1,117 departures · 79% full
2.5%
When San Antonio is busiest
Departures by month over the trailing year. Bars scale to the busiest month.
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Departures a month · peak July 2025
Annual passengers since 1990
Total passengers, arriving and departing, in every year on record.
Passengers a year
Every year
- 1990
- 6,076,711
- 1991
- 5,654,214
- 1992
- 5,849,898
- 1993
- 6,077,357
- 1994
- 6,520,747
- 1995
- 6,409,414
- 1996
- 7,173,233
- 1997
- 7,043,876
- 1998
- 7,191,958
- 1999
- 7,291,454
- 2000
- 7,473,288
- 2001
- 6,965,114
- 2002
- 6,718,128
- 2003
- 6,540,301
- 2004
- 7,052,329
- 2005
- 7,512,293
- 2006
- 8,223,575
- 2007
- 8,257,521
- 2008
- 8,547,299
- 2009
- 8,036,341
- 2010
- 8,238,857
- 2011
- 8,412,147
- 2012
- 8,493,672
- 2013
- 8,394,992
- 2014
- 8,458,137
- 2015
- 8,431,829
- 2016
- 8,552,333
- 2017
- 9,001,014
- 2018
- 9,920,658
- 2019
- 10,290,751
- 2020
- 3,962,697
- 2021
- 7,401,879
- 2022
- 9,474,762
- 2023
- 10,682,646
- 2024
- 11,076,182
- 2025
- 10,596,859
- 2026
- 3,964,109 so far
Arriving on time
Of every 100 flights landing at San Antonio, 77 touch down within 15 minutes of schedule, 22 arrive late, and 1 is cancelled.
Every 100 arrivals
16 min
average delay
482
flights cancelled
39.9K
arrivals measured
What holds flights up
Share of delay minutes
Most reliable here
SkyWest Airlines 82.6%
Least reliable here
American Airlines 68.9%
Among US airports
#43
On time, month by month
J
A
S
O
N
D
J
F
M
A
M
J
Darker is better · 67.5%–83.7%
The weak spot is June 2026, when 67.5% of arrivals landed on time — 9.6 points below the year. The strongest was September 2025 at 83.7%.
Frequently asked
How busy is San Antonio International Airport (SAT)?
San Antonio International Airport handled about 10.4M passengers over the trailing 12 months, ranking #43 among U.S. airports by passengers, with roughly 122 departures a day.
Which airline is the largest at San Antonio International Airport (SAT)?
Southwest Airlines is the largest carrier at San Antonio (SAT), flying about 34% of its passengers. 34 airlines serve San Antonio in total.
How many places can you fly nonstop from San Antonio International Airport (SAT)?
San Antonio (SAT) has 51 nonstop destinations — 42 domestic and 9 international across 3 countries.
How often do flights arrive on time at San Antonio International Airport (SAT)?
About 77.1% of flights arriving at San Antonio (SAT) touch down within 15 minutes of schedule, per US DOT figures. About 1.2% are cancelled.
What aircraft flies most from San Antonio International Airport (SAT)?
The Boeing 737-700 flew the largest share of departures from San Antonio (SAT), about 18% of the total.
Departing counts passengers leaving San Antonio; international destinations also show both directions. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).