How delayed is San Antonio, TX (SAT)?

San Antonio, TX has an on-time rate of 83.0%. The average delay is 12.4 min.

What causes delays at SAT?

The main delay causes at SAT are carrier issues (32.8%), weather (4.5%), NAS/air traffic control (18.8%), and late arriving aircraft (43.7%).

What is the best time to fly from SAT?

The best time to fly from SAT is at 1:00 with a 100.0% on-time rate. Nov is the best month with 87.6% on-time flights.

San Antonio, TX

San Antonio, TX, TX — SAT

On-Time Rate

83.0%

2019-2025

Avg Delay

12.4 min

when delayed

Cancel Rate

2.1%

flights cancelled

Total Flights

244,014

2019-2025

Best Month

Nov

87.6% on-time

Worst Month

Jun

78.0% on-time

Best Departure Time

1:00

100.0% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at SAT

Airline	Flights	On-Time	Avg Delay
Southwest Airlines	96,427	83.3%	N/A
American Airlines	48,494	81.0%	N/A
Delta Air Lines	32,274	87.2%	N/A
United Airlines	30,678	84.2%	N/A
SkyWest Airlines	12,694	85.9%	N/A
Frontier Airlines	5,381	75.4%	N/A
Spirit Airlines	5,219	78.8%	N/A
Alaska Airlines	3,398	77.0%	N/A
Mesa Airlines	2,504	85.3%	N/A
JetBlue Airways	2,121	65.4%	N/A

Most Delayed Routes

Destination	On-Time
SAT → BOSBoston, MA	64.6%
SAT → JFKNew York, NY	75.4%
SAT → SEASeattle, WA	76.8%
SAT → DFWDallas/Fort Worth, TX	76.8%
SAT → MCOOrlando, FL	77.3%

Most Punctual Routes

Destination	On-Time
SAT → DCAWashington, DC	90.5%
SAT → OAKOakland, CA	89.8%
SAT → DTWDetroit, MI	88.8%
SAT → MSPMinneapolis, MN	88.4%
SAT → MCIKansas City, MO	88.3%

Was your flight from San Antonio, TX delayed?

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019 through November 2025 and are not real-time. See our data methodology for details.