PlainFlights

Route · SAT → HOU · 2020–2025 BTS data

San Antonio to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAT to HOU (San Antonio to Houston) ranks #1316 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.9%
On-time
+4.9 pts
vs US avg
55 min
Delay when late
9,124
Flights
#1316 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Jan 2025 93%

Worst Month

Jul 2024 59%

Distance

192 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 122 15 0 0 WN
Nov 2025 119 28 0 0 WN
Oct 2025 140 25 1 0 WN
Sep 2025 141 24 0 0 WN
Aug 2025 144 31 0 1 WN
Jul 2025 131 48 0 0 WN
Jun 2025 129 38 2 0 WN
May 2025 133 27 1 1 WN
Apr 2025 128 31 2 1 WN
Mar 2025 133 20 0 0 WN
Feb 2025 115 18 0 1 WN
Jan 2025 126 9 6 0 WN
Dec 2024 122 25 0 0 WN
Nov 2024 121 20 0 0 WN
Oct 2024 130 16 0 1 WN
Sep 2024 121 18 0 0 WN
Aug 2024 126 21 0 0 WN
Jul 2024 138 57 7 1 WN
Jun 2024 137 43 1 0 WN
May 2024 151 39 5 1 WN
Apr 2024 147 29 0 0 WN
Mar 2024 154 26 0 0 WN
Feb 2024 141 11 0 0 WN
Jan 2024 151 29 2 0 WN

SAT–HOU seasonal on-time pattern

Best: September (88.0%) · weakest: July (75.6%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 83.4%

Strongest calendar month

September

88.0% on-time · ~130 flights/mo

Busiest calendar month

July

~139 flights/mo avg

Weakest calendar month

July

75.6% on-time · ~139 flights/mo

Cancellation Rate

0.8%

27 of 3,200 flights

Diversion Rate

0.2%

7 of 3,200 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SAT - San Antonio

Full on-time, delay-cause, and seasonal performance for San Antonio, TX.

SAT on-time profile

HOU - Houston

Full on-time, delay-cause, and seasonal performance for Houston, TX.

HOU on-time profile

Compare the two airports

See SAT and HOU side by side on delays, cancellations, and reliability.

Compare SAT vs HOU

Origin-hub reliability standing

Mid-pack among SAT departures

From SAT, this corridor sits with 12 other 75–85% on-time routes out of 31 tracked departures, not the hub's reliability leaders (17 at ≥85%) and not the softest ( 2 below 75%). Destination: Houston · fleet on-time rank #1633 of 4927.

What the Data Says About SAT to HOU

Bureau of Transportation Statistics records show San Antonio to Houston (SAT to HOU) running a 83.9% on-time rate over 9,124 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 55.4 minutes. The 192-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 3,200 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 59% - a 34-point swing worth factoring into travel timing.

On the multi-year calendar, SAT–HOU peaks in September at 88.0% on-time while July carries the heaviest traffic (~139 flights per month) ; the softest month is July at 75.6%, a 12.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SAT to HOU rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SAT to HOU ranks #1316 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SAT to HOU? ▼
Flights from San Antonio to Houston have a 83.9% on-time rate based on 9,124 flights. The average delay is 55.4 minutes. The best recent month was Jan 2025 with 93% on-time.
What is the cancellation rate for SAT to HOU? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (27 of 3,200 flights) and 0.2% were diverted.
How far is the flight from SAT to HOU? ▼
The flight distance from San Antonio (SAT) to Houston (HOU) is approximately 192 miles. This route is served by 1 carrier.
When is the best time to fly from SAT to HOU? ▼
The best recent month for on-time performance was Jan 2025 (93% on-time). The worst was Jul 2024 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

SAT Airport

San Antonio
HOU Airport

Houston
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SAT–HOU data

SAT–HOU runs 4.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SAT and HOU airport profiles: delay causes and top routes differ even on the same corridor. SAT airport
  • If your dates flex, September (88.0% on-time) beats July (75.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.9% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.