Route guide

Chicago to San Antonio (ORD-SAT): Nonstop Upgrade & Award Space

United Airlines and American Airlines fly nonstop between Chicago (ORD) and San Antonio (SAT), roughly 39 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every ORD 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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39
Nonstop flights a week
1,042 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ORD 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 Chicago 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 ORD 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 ORD to SAT on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to San Antonio nonstop

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

  • United Airlines
  • American Airlines
See ORD to SAT on the interactive map →

Frequently asked questions about ORD to SAT

How far is San Antonio from Chicago?
ORD to SAT covers about 1,042 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from ORD to SAT?
United Airlines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from ORD to SAT?
About 39 nonstop flights a week run between Chicago and San Antonio in the current schedule, operated by United Airlines and 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 ORD to SAT?
Open the ORD to SAT calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Chicago to San Antonio route, and 2LNR will notify you when space opens. It's free to start.

Never miss ORD to SAT upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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