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 44 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to SAT departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

44
Nonstop flights a week
1,042 mi
Nonstop distance
Free
To get started

Chicago to San Antonio flight schedule

Scheduled nonstop departures for ORD to SAT, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to San Antonio (SAT)
Date Flight Airline Departs ORD Arrives SAT Duration Aircraft
UA 490United Airlines08:4511:523h 7m320
AA 488American Airlines10:0512:532h 48m319
UA 2844United Airlines12:5916:003h 1m320
AA 4176American Airlines14:5817:552h 57mE75
UA 1394United Airlines19:5022:513h 1m320
AA 431American Airlines22:0000:482h 48m319
UA 490United Airlines08:4511:523h 7m320
AA 2845American Airlines11:0513:552h 50m319
UA 2844United Airlines12:5916:003h 1m320
AA 4176American Airlines15:0818:093h 1mE75
UA 1394United Airlines19:5022:513h 1m320
AA 431American Airlines21:0623:552h 49m319
UA 490United Airlines08:4511:523h 7m320
AA 2845American Airlines11:2014:102h 50m319
UA 2844United Airlines13:3016:313h 1m320
AA 4176American Airlines15:0818:093h 1mE75
UA 1394United Airlines19:5022:513h 1m320
AA 431American Airlines21:0623:552h 49m319
UA 490United Airlines08:4511:523h 7m320
AA 2845American Airlines11:0513:552h 50m319
UA 2844United Airlines13:3016:313h 1m320
AA 4176American Airlines15:0818:093h 1mE75
UA 1394United Airlines19:5022:513h 1m320
AA 431American Airlines21:0623:552h 49m319
UA 490United Airlines08:4511:523h 7m320
AA 2845American Airlines11:0513:552h 50m319
UA 2844United Airlines13:3016:313h 1m320
AA 4176American Airlines15:1718:183h 1mE75
UA 1394United Airlines19:5022:513h 1m320
AA 431American Airlines21:0623:552h 49m319
UA 490United Airlines08:4511:523h 7m320
AA 2845American Airlines11:0513:552h 50m319
UA 2844United Airlines13:3016:313h 1m320
AA 4176American Airlines15:0818:093h 1mE75
UA 1394United Airlines19:5022:513h 1m320
AA 431American Airlines21:0623:552h 49m319
UA 490United Airlines08:4511:523h 7m320
AA 2845American Airlines11:0513:552h 50m319
UA 2844United Airlines13:3016:313h 1m320
AA 4176American Airlines15:0818:093h 1mE75

Showing the first 40 of 42 scheduled ORD to SAT departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ORD to SAT date on the interactive map

Confirmed upgrade & award space on ORD to SAT departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Chicago to San Antonio to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

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.

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; the schedule table on this page lists each scheduled departure with 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 American Airlines.
How many flights a week are there from ORD to SAT?
About 44 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, and the schedule table on this page shows what is scheduled next.
What time do flights from ORD to SAT depart?
Scheduled ORD to SAT nonstops in the next 7 days with service leave between 08:45 and 22:00, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ORD to SAT?
Open the ORD to SAT route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ORD to SAT upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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