St. Louis to Detroit (STL-DTW): nonstop upgrade & award space

Delta Air Lines flies nonstop between St. Louis (STL) and Detroit (DTW), roughly 27 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 STL to DTW 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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27
Nonstop flights a week
439 mi
Nonstop distance
Free
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St. Louis to Detroit flight schedule

Scheduled nonstop departures for STL to DTW, 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 St. Louis (STL) to Detroit (DTW)
Date Flight Airline Departs STL Arrives DTW Duration Aircraft
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines16:1018:421h 32m717
DL 2822Delta Air Lines17:4520:191h 34m717
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines16:1018:421h 32m717
DL 2822Delta Air Lines17:4520:191h 34m717
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines16:1018:421h 32m717
DL 2822Delta Air Lines17:4520:191h 34m717
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines16:1018:421h 32m717
DL 2822Delta Air Lines17:4520:191h 34m717
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines16:1018:421h 32m717
DL 2822Delta Air Lines17:4520:191h 34m717
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines13:5516:281h 33m717
DL 2822Delta Air Lines17:5720:321h 35m717
DL 1626Delta Air Lines06:4009:131h 33m717
DL 2868Delta Air Lines10:2913:021h 33m717
DL 1371Delta Air Lines13:5516:281h 33m717
DL 2822Delta Air Lines17:5720:321h 35m717

Showing all 28 scheduled STL to DTW 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 STL to DTW date on the interactive map

Confirmed upgrade & award space on STL to DTW departures

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

Airlines flying St. Louis to Detroit nonstop

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

See STL to DTW on the interactive map →

Frequently asked questions about STL to DTW

How far is Detroit from St. Louis?
STL to DTW covers about 439 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 STL to DTW?
Delta Air Lines is currently the only airline flying STL to DTW nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from STL to DTW?
About 27 nonstop flights a week run between St. Louis and Detroit 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 STL to DTW depart?
Scheduled STL to DTW nonstops in the next 7 days with service leave between 06:40 and 17:57, local time at St. Louis. 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 STL to DTW?
Open the STL to DTW 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 STL to DTW 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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