San Antonio

SAT · KSAT

San Antonio International Airport

29.53°, -98.47°TX, United States

Passengers a year

10.2M

#43 busiest in the U.S.

nonstop destinations

airlines

120

departures a day

77.0%

arrivals on time

1.2%

flights cancelled

76.7%

load factor

San Antonio Int'l (SAT) airport diagram — runway and taxiway layout, drawn to scale — Nonstop routes — the ten busiest. Filed traffic, August 2025 – July 2026.

Airlines

Southwest Airlines is the largest carrier at San Antonio, with 35% of all passengers. 37 airlines fly from here.

Southwest 35%

American 21%

Delta 16%

Share of passengers · each carrier as a slice of the whole airport

Southwest Airlines holds 35% of the airport — the 19th most concentrated of 35 medium hubs. The nearest comparison is OGG at 35%.

Airline	Share	Passengers	Dests	On time · mainline	Seats YoY
WN Southwest74% full	34.5%	3.5M	23	76%	-5.9%
AA American80% fullAmerican Eagle · operated by Envoy, SkyWest, Republic, PSA	21.5%	2.2M	8	68.6%	-2.7%
DL Delta80% fullDelta Connection · operated by Endeavor, SkyWest, Republic	15.6%	1.6M	7	81.6%	+2.1%
UA United81% fullUnited Express · operated by SkyWest, Mesa, CommuteAir, Republic	14.7%	1.5M	7	82.5%	-1.5%
VB Viva61% full	3.0%	304.5K	5	—	-15.6%
+Other airlines	10.7%	1.1M	—	—	—

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

43 domestic and 10 international nonstop destinations from San Antonio, across 4 countries.

93% domestic · 7% international · by departing passengers

Top domestic destinations

Dallas-Fort Worth (DFW)
542K542,020 departing · 83% full
American Airlines
Atlanta (ATL)
411.9K411,940 departing · 81% full
Delta Air Lines · Southwest Airlines · Frontier Airlines
Denver (DEN)
389.1K389,117 departing · 78% full
Southwest Airlines · United Airlines · Frontier Airlines
Houston (IAH)
296.8K296,805 departing · 76% full
United Airlines
Phoenix (PHX)
295.3K295,314 departing · 77% full
Southwest Airlines · American Airlines · Frontier Airlines
Dallas (DAL)
286K285,983 departing · 68% full
Southwest Airlines
Las Vegas (LAS)
267.8K267,756 departing · 75% full
Southwest Airlines · Frontier Airlines · Spirit Airlines
Chicago (ORD)
185.2K185,184 departing · 78% full
United Airlines · American Airlines
Charlotte (CLT)
184.5K184,528 departing · 79% full
American Airlines
Los Angeles (LAX)
181.5K181,475 departing · 81% full
Delta Air Lines · Southwest Airlines · American Airlines · Spirit Airlines

Top international destinations

Mexico City, Mexico (MEX)
138.7K138,682 departing · 273.4K273,392 both ways
Viva · Aeroméxico · Volaris
Monterrey, Mexico (MTY)
73.7K73,699 departing · 148.3K148,307 both ways
Viva
Guadalajara, Mexico (GDL)
71.5K71,546 departing · 143.6K143,568 both ways
Volaris
Querétaro, Mexico (QRO)
18.7K18,748 departing · 36.9K36,862 both ways
Viva · Volaris
Cancún, Mexico (CUN)
17.4K17,354 departing · 35.3K35,345 both ways
Southwest Airlines · Sun Country Airlines
San Luis Potosí, Mexico (SLP)
11.4K11,439 departing · 22.7K22,666 both ways
Volaris
Silao, Mexico (BJX)
8.9K8,873 departing · 19.7K19,714 both ways
Viva
Morelia, Mexico (MLM)
5.4K5,441 departing · 10.8K10,774 both ways
Volaris
Torreón, Mexico (TRC)
2K1,974 departing · 3.9K3,909 both ways
Viva
Toronto, Canada (YYZ)
1.2K1,216 departing · 2.7K2,683 both ways
Air Canada

All nonstop destinations

53 nonstop · 13 airlines · 43 domestic / 10 intl

Aircraft

By share of departures at San Antonio.

Narrowbody 93%

Body class · share of departures

Boeing 737-700
7,453 departures · 77% full
Narrowbody
17.0%
Boeing 737-800
7,223 departures · 77% full
Narrowbody
16.4%
Boeing 737 MAX 8
5,931 departures · 75% full
Narrowbody
13.5%
Airbus A320
5,229 departures · 77% full
Narrowbody
11.9%
Airbus A319
4,768 departures · 79% full
Narrowbody
10.9%
Airbus A321
3,716 departures · 76% full
Narrowbody
8.5%
Embraer E175
2,909 departures · 84% full
Regional
6.6%
Airbus A220-100
1,432 departures · 82% full
Narrowbody
3.3%
Airbus A320neo
1,391 departures · 69% full
Narrowbody
3.2%
Boeing 737-900ER
1,018 departures · 78% full
Narrowbody
2.3%

When San Antonio is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

3.8K

3.6K

4.0K

3.7K

3.9K

3.1K

2.9K

3.7K

3.6K

3.8K

3.9K

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Departures a month · peak October 2025

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a 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 · 5,813,139 so far

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: 5,813,139 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.

See live FAA delays

Every 100 arrivals

On time 77Late 22Cancelled 1

16 min

average delay

468

flights cancelled

39.7K

arrivals measured

What holds flights up

Late-arriving aircraft

Airline (carrier)

National Aviation System

Extreme weather

Security

Share of delay minutes

Most reliable here

SkyWest Airlines 82.9%

Least reliable here

American Airlines 68.6%

Among US airports

#43

On time, month by month

Darker is better · 67.5%–83.7%

The weak spot is June 2026, when 67.5% of arrivals landed on time — 9.5 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 10.2M passengers over the trailing 12 months, ranking #43 among U.S. airports by passengers, with roughly 120 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 35% of its passengers. 37 airlines serve San Antonio in total.

How many places can you fly nonstop from San Antonio International Airport (SAT)?

San Antonio (SAT) has 53 nonstop destinations — 43 domestic and 10 international across 4 countries.

How often do flights arrive on time at San Antonio International Airport (SAT)?

About 77.0% 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 17% of the total.

Departing counts passengers leaving San Antonio; international destinations also show both directions. Data: traffic August 2025 – July 2026, on-time August 2025 – July 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).