Detroit to San Antonio (DTW-SAT): nonstop upgrade & award space

Delta Air Lines flies nonstop between Detroit (DTW) and San Antonio (SAT), roughly 20 times a week. With Delta Air Lines 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 Delta Air Lines, on every DTW 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.

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20
Nonstop flights a week
1,214 mi
Nonstop distance
Free
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Detroit to San Antonio flight schedule

Scheduled nonstop departures for DTW 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 Detroit (DTW) to San Antonio (SAT)
Date Flight Airline Departs DTW Arrives SAT Duration Aircraft
DL 788Delta Air Lines08:3010:393h 9m319
DL 2458Delta Air Lines13:4715:533h 6m319
DL 1365Delta Air Lines20:4022:443h 4m319
DL 788Delta Air Lines08:3010:393h 9m319
DL 2458Delta Air Lines13:4715:533h 6m319
DL 1365Delta Air Lines20:4022:443h 4m319
DL 788Delta Air Lines08:3010:393h 9m319
DL 2458Delta Air Lines13:4715:533h 6m319
DL 1365Delta Air Lines20:4022:443h 4m319
DL 788Delta Air Lines08:3010:393h 9m319
DL 2458Delta Air Lines13:4715:533h 6m319
DL 1365Delta Air Lines20:4022:443h 4m319
DL 788Delta Air Lines08:5011:113h 21m319
DL 2458Delta Air Lines12:0014:093h 9m319
DL 1365Delta Air Lines20:4022:443h 4m319
DL 788Delta Air Lines08:3010:393h 9m319
DL 2458Delta Air Lines13:4715:533h 6m319
DL 1365Delta Air Lines20:4022:443h 4m319
DL 788Delta Air Lines08:2510:343h 9m319
DL 2458Delta Air Lines13:4415:523h 8m319
DL 1365Delta Air Lines20:4022:443h 4m319

Showing all 21 scheduled DTW to SAT departures across the next 7 days with service. Later dates are 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 DTW to SAT date on the interactive map

Confirmed upgrade & award space on DTW to SAT departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Detroit 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 DTW 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 DTW to SAT on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Detroit to San Antonio nonstop

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

See DTW to SAT on the interactive map →

Frequently asked questions about DTW to SAT

How far is San Antonio from Detroit?
DTW to SAT covers about 1,214 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 DTW to SAT?
Delta Air Lines is currently the only airline flying DTW to SAT nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from DTW to SAT?
About 20 nonstop flights a week run between Detroit and San Antonio in the current schedule, operated by Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from DTW to SAT depart?
Scheduled DTW to SAT nonstops in the next 7 days with service leave between 08:25 and 20:40, local time at Detroit. 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 DTW to SAT?
Open the DTW to SAT route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, 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 DTW 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.

Get started free