St. Louis to Miami (STL-MIA): nonstop upgrade & award space

American Airlines flies nonstop between St. Louis (STL) and Miami (MIA), roughly 14 times a week. With American 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 STL to MIA 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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14
Nonstop flights a week
1,070 mi
Nonstop distance
Free
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St. Louis to Miami flight schedule

Scheduled nonstop departures for STL to MIA, 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 Miami (MIA)
Date Flight Airline Departs STL Arrives MIA Duration Aircraft
AA 1716American Airlines05:0008:442h 44m738
AA 3851American Airlines17:1021:002h 50mE75
AA 1716American Airlines05:0008:462h 46m738
AA 477American Airlines14:1117:572h 46m7M8
AA 1716American Airlines05:0008:462h 46m738
AA 477American Airlines14:1117:572h 46m7M8
AA 1716American Airlines05:0008:462h 46m738
AA 3851American Airlines17:1021:002h 50mE75
AA 1716American Airlines05:0008:462h 46m738
AA 477American Airlines14:1117:572h 46m7M8
AA 1716American Airlines05:0008:462h 46m738
AA 477American Airlines14:1117:572h 46m7M8
AA 1716American Airlines05:0008:462h 46m738
AA 3851American Airlines17:1021:002h 50mE75

Showing all 14 scheduled STL to MIA 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 MIA date on the interactive map

Confirmed upgrade & award space on STL to MIA departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for St. Louis to Miami 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 MIA 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 MIA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying St. Louis to Miami nonstop

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

See STL to MIA on the interactive map →

Frequently asked questions about STL to MIA

How far is Miami from St. Louis?
STL to MIA covers about 1,070 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 MIA?
American Airlines is currently the only airline flying STL to MIA nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from STL to MIA?
About 14 nonstop flights a week run between St. Louis and Miami in the current schedule, operated by American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from STL to MIA depart?
Scheduled STL to MIA nonstops in the next 7 days with service leave between 05:00 and 17:10, 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 MIA?
Open the STL to MIA 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 STL to MIA 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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