Route guide

Charlotte to San Antonio (CLT-SAT): Nonstop Upgrade & Award Space

American Airlines flies nonstop between Charlotte (CLT) and San Antonio (SAT), roughly 23 times a week. With American Airlines operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CLT to SAT departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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23
Nonstop flights a week
1,093 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every CLT to SAT departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Charlotte to San Antonio to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each CLT to SAT departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CLT to SAT on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Charlotte to San Antonio nonstop

Carriers operating CLT to SAT nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • American Airlines
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Frequently asked questions about CLT to SAT

How far is San Antonio from Charlotte?
CLT to SAT covers about 1,093 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from CLT to SAT?
American Airlines is currently the only airline flying CLT to SAT nonstop. 2LNR tracks confirmed upgrade and award space on every American Airlines departure.
How many flights a week are there from CLT to SAT?
About 23 nonstop flights a week run between Charlotte and San Antonio in the current schedule, operated by American Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on CLT to SAT?
Open the CLT to SAT calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Charlotte to San Antonio route, and 2LNR will notify you when space opens. It's free to start.

Never miss CLT to SAT upgrade or award space

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