PlainFlights

Route · CLT → SAT · 2020–2025 BTS data

Charlotte to San Antonio

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CLT to SAT (Charlotte to San Antonio) ranks #1642 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.5%
On-time
-2.5 pts
vs US avg
68 min
Delay when late
7,655
Flights
#1642 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Feb 2024 89%

Worst Month

Jul 2024 44%

Distance

1,095 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 108 23 0 0 AA
Nov 2025 100 16 0 0 AA
Oct 2025 124 22 0 0 AA
Sep 2025 120 21 0 0 AA
Aug 2025 115 31 1 2 AA
Jul 2025 119 38 1 0 AA
Jun 2025 113 44 1 0 AA
May 2025 123 32 1 1 AA
Apr 2025 120 33 0 0 AA
Mar 2025 124 29 1 0 AA
Feb 2025 106 26 0 0 AA
Jan 2025 112 28 6 0 AA
Dec 2024 113 29 0 0 AA
Nov 2024 108 16 0 2 AA
Oct 2024 119 19 0 1 AA
Sep 2024 119 33 1 1 AA
Aug 2024 119 38 1 0 AA
Jul 2024 120 67 5 0 AA
Jun 2024 120 51 1 0 AA
May 2024 124 69 4 1 AA
Apr 2024 115 35 0 0 AA
Mar 2024 124 39 0 0 AA
Feb 2024 114 13 0 0 AA
Jan 2024 116 39 0 1 AA

CLT–SAT seasonal on-time pattern

Best: October (84.8%) · weakest: July (64.6%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 77%

Strongest calendar month

October

84.8% on-time · ~114 flights/mo

Busiest calendar month

March

~115 flights/mo avg

Weakest calendar month

July

64.6% on-time · ~104 flights/mo

Cancellation Rate

0.8%

23 of 2,795 flights

Diversion Rate

0.3%

9 of 2,795 flights

Explore origin & destination

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

CLT - Charlotte

Full on-time, delay-cause, and seasonal performance for Charlotte, NC.

CLT on-time profile

SAT - San Antonio

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

SAT on-time profile

Compare the two airports

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

Compare CLT vs SAT

Origin-hub reliability standing

Mid-pack among CLT departures

From CLT, this corridor sits with 116 other 75–85% on-time routes out of 129 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 8 below 75%). Destination: San Antonio · fleet on-time rank #4202 of 4927.

What the Data Says About CLT to SAT

The Charlotte to San Antonio corridor (CLT to SAT) posts a 76.5% on-time rate on the lower edge of the average band, based on 7,655 tracked flights. Late flights run 67.5 minutes behind on average. 2 carriers cover the 1,095-mile route; over the last 24 months, 23 of 2,795 flights were cancelled (0.8%) and 0.3% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 89% on-time, while Jul 2024 came in at just 44% - a 44-point swing worth factoring into travel timing.

On the multi-year calendar, CLT–SAT peaks in October at 84.8% on-time while March carries the heaviest traffic (~115 flights per month) ; the softest month is July at 64.6%, a 20.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does CLT to SAT rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, CLT to SAT ranks #1642 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 CLT to SAT? ▼
Flights from Charlotte to San Antonio have a 76.5% on-time rate based on 7,655 flights. The average delay is 67.5 minutes. The best recent month was Feb 2024 with 89% on-time.
What is the cancellation rate for CLT to SAT? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (23 of 2,795 flights) and 0.3% were diverted.
How far is the flight from CLT to SAT? ▼
The flight distance from Charlotte (CLT) to San Antonio (SAT) is approximately 1,095 miles. This route is served by 2 carriers.
When is the best time to fly from CLT to SAT? ▼
The best recent month for on-time performance was Feb 2024 (89% on-time). The worst was Jul 2024 (44% on-time). Consider booking during months with historically better performance.

Airports on this route

CLT Airport

Charlotte
SAT Airport

San Antonio
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 CLT–SAT data

CLT–SAT is mid-pack at 76.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare CLT and SAT airport profiles: delay causes and top routes differ even on the same corridor. CLT airport
  • If your dates flex, October (84.8% on-time) beats July (64.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.5% 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.