PlainFlights

Route · SAT → ATL · 2020–2025 BTS data

San Antonio to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAT to ATL (San Antonio to Atlanta) ranks #553 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.2%
On-time
+8.2 pts
vs US avg
74 min
Delay when late
16,218
Flights
#553 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Sep 2025 95%

Worst Month

Jun 2025 71%

Distance

874 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 251 32 6 1 DL,WN,F9
Nov 2025 250 20 4 2 DL,F9,WN
Oct 2025 275 30 0 0 DL,WN,F9
Sep 2025 260 14 0 0 WN,DL,F9
Aug 2025 269 36 2 4 WN,F9,DL
Jul 2025 277 64 1 1 DL,NK,WN,F9
Jun 2025 296 87 7 4 DL,WN,F9,NK
May 2025 300 84 2 1 DL,NK,WN,F9
Apr 2025 269 51 3 2 DL,NK,WN
Mar 2025 249 41 1 0 DL,WN
Feb 2025 206 31 0 0 DL,WN
Jan 2025 222 31 11 0 DL,WN
Dec 2024 246 42 0 0 DL,WN
Nov 2024 236 19 0 0 WN,DL
Oct 2024 262 18 0 0 WN,DL
Sep 2024 247 23 0 1 WN,DL
Aug 2024 260 23 2 1 DL,WN
Jul 2024 272 72 16 1 DL,WN
Jun 2024 268 44 2 0 DL,WN
May 2024 283 72 1 2 DL,WN
Apr 2024 262 38 1 0 DL,WN
Mar 2024 235 31 0 0 DL,WN
Feb 2024 199 24 0 0 DL,WN
Jan 2024 223 34 0 2 DL,F9,WN

SAT–ATL seasonal on-time pattern

Best: September (92.4%) · weakest: July (80.4%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 87.8%

Strongest calendar month

September

92.4% on-time · ~225 flights/mo

Busiest calendar month

October

~237 flights/mo avg

Weakest calendar month

July

80.4% on-time · ~228 flights/mo

Cancellation Rate

1.0%

59 of 6,117 flights

Diversion Rate

0.4%

22 of 6,117 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

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

Compare the two airports

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

Compare SAT vs ATL

Origin-hub reliability standing

Among SAT's stronger departures

SAT → ATL posts a 87.2% on-time rate, landing in the ≥85% band with 17 of 31 BTS-tracked routes leaving San Antonio. The same hub also shows 12 mid-band and 2 challenged departures · fleet-wide on-time rank #602 of 4927 (highest on-time = #1).

What the Data Says About SAT to ATL

San Antonio to Atlanta (SAT to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.2% on-time rate across 16,218 flights, with delays that do happen averaging 73.6 minutes. The corridor runs roughly 874 miles and is served by 10 carriers. Over the most recent 24 months, 59 of 6,117 flights were cancelled (1.0%) and 22 diverted (0.4%).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while Jun 2025 came in at just 71% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, SAT–ATL peaks in September at 92.4% on-time while October carries the heaviest traffic (~237 flights per month) ; the softest month is July at 80.4%, a 12.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SAT to ATL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SAT to ATL ranks #553 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 ATL? ▼
Flights from San Antonio to Atlanta have a 87.2% on-time rate based on 16,218 flights. The average delay is 73.6 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for SAT to ATL? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (59 of 6,117 flights) and 0.4% were diverted.
How far is the flight from SAT to ATL? ▼
The flight distance from San Antonio (SAT) to Atlanta (ATL) is approximately 874 miles. This route is served by 10 carriers.
When is the best time to fly from SAT to ATL? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was Jun 2025 (71% on-time). Consider booking during months with historically better performance.

Airports on this route

SAT Airport

San Antonio
ATL Airport

Atlanta
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–ATL data

SAT–ATL runs 8.2 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 ATL airport profiles: delay causes and top routes differ even on the same corridor. SAT airport
  • If your dates flex, September (92.4% on-time) beats July (80.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.2% 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.