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

American Airlines flies nonstop between Miami (MIA) and St. Louis (STL), 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 MIA to STL 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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Miami to St. Louis flight schedule

Scheduled nonstop departures for MIA to STL, 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 Miami (MIA) to St. Louis (STL)
Date Flight Airline Departs MIA Arrives STL Duration Aircraft
AA 3954American Airlines14:2216:152h 53mE75
AA 1594American Airlines19:4721:493h 2m738
AA 477American Airlines11:2213:233h 1m7M8
AA 1594American Airlines21:4223:463h 4m738
AA 477American Airlines11:2213:233h 1m7M8
AA 1594American Airlines21:5523:593h 4m738
AA 3954American Airlines14:2216:152h 53mE75
AA 1594American Airlines21:5523:593h 4m738
AA 477American Airlines11:2213:233h 1m7M8
AA 1594American Airlines21:5523:593h 4m738
AA 477American Airlines11:2213:233h 1m7M8
AA 1594American Airlines21:5523:593h 4m738
AA 3954American Airlines14:2216:152h 53mE75
AA 1594American Airlines19:4721:493h 2m738

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

Confirmed upgrade & award space on MIA to STL departures

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

Airlines flying Miami to St. Louis nonstop

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

See MIA to STL on the interactive map →

Frequently asked questions about MIA to STL

How far is St. Louis from Miami?
MIA to STL 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 MIA to STL?
American Airlines is currently the only airline flying MIA to STL nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from MIA to STL?
About 14 nonstop flights a week run between Miami and St. Louis 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 MIA to STL depart?
Scheduled MIA to STL nonstops in the next 7 days with service leave between 11:22 and 21:55, local time at Miami. 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 MIA to STL?
Open the MIA to STL 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 MIA to STL 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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