Atlanta to St. Louis (ATL-STL): nonstop upgrade & award space

Delta Air Lines and Frontier Airlines fly nonstop between Atlanta (ATL) and St. Louis (STL), roughly 55 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 ATL 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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55
Nonstop flights a week
484 mi
Nonstop distance
Free
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Atlanta to St. Louis flight schedule

Scheduled nonstop departures for ATL 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 Atlanta (ATL) to St. Louis (STL)
Date Flight Airline Departs ATL Arrives STL Duration Aircraft
DL 1571Delta Air Lines07:2508:061h 41m739
DL 1400Delta Air Lines08:5509:341h 39m739
DL 566Delta Air Lines11:5512:321h 37m739
DL 1102Delta Air Lines12:1512:531h 38m739
F9 4473Frontier Airlines12:2513:101h 45m32Q
DL 2700Delta Air Lines13:3014:081h 38m739
DL 1485Delta Air Lines15:1515:571h 42m739
DL 543Delta Air Lines15:1515:541h 39m739
DL 1393Delta Air Lines17:2018:021h 42m739
DL 2833Delta Air Lines19:1919:581h 39m739
DL 1403Delta Air Lines23:0123:421h 41m739
DL 1571Delta Air Lines07:2508:061h 41m739
DL 1400Delta Air Lines08:5509:341h 39m739
DL 566Delta Air Lines11:5512:321h 37m739
DL 1102Delta Air Lines12:1512:531h 38m739
DL 2700Delta Air Lines13:3014:081h 38m739
DL 1485Delta Air Lines15:1515:571h 42m739
DL 543Delta Air Lines15:1515:541h 39m739
DL 1393Delta Air Lines17:2018:021h 42m739
DL 2833Delta Air Lines19:1919:581h 39m739
DL 1403Delta Air Lines23:0123:421h 41m739
DL 1400Delta Air Lines08:5509:341h 39m739
DL 566Delta Air Lines11:5512:321h 37m739
DL 1102Delta Air Lines12:1512:531h 38m739
F9 4473Frontier Airlines12:2513:101h 45m32Q
DL 2700Delta Air Lines13:3014:081h 38m739
DL 1485Delta Air Lines15:1515:571h 42m739
DL 543Delta Air Lines15:1515:541h 39m739
DL 1393Delta Air Lines17:2018:021h 42m739
DL 2833Delta Air Lines19:1919:581h 39m739
DL 1403Delta Air Lines23:0123:421h 41m739
DL 1400Delta Air Lines08:5509:341h 39m739
DL 566Delta Air Lines11:5512:321h 37m739
DL 1102Delta Air Lines12:1512:531h 38m739
DL 2700Delta Air Lines13:5914:381h 39m739
DL 1485Delta Air Lines15:1515:571h 42m739
DL 543Delta Air Lines15:5016:321h 42m739
DL 1393Delta Air Lines17:2018:021h 42m739
DL 2833Delta Air Lines19:1919:581h 39m739
DL 1403Delta Air Lines23:0123:421h 41m739

Showing the first 40 of 63 scheduled ATL to STL 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 ATL to STL date on the interactive map

Confirmed upgrade & award space on ATL to STL departures

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

Airlines flying Atlanta to St. Louis nonstop

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

See ATL to STL on the interactive map →

Frequently asked questions about ATL to STL

How far is St. Louis from Atlanta?
ATL to STL covers about 484 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 ATL to STL?
Delta Air Lines and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from ATL to STL?
About 55 nonstop flights a week run between Atlanta and St. Louis in the current schedule, operated by Delta Air Lines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ATL to STL depart?
Scheduled ATL to STL nonstops in the next 7 days with service leave between 07:25 and 23:01, local time at Atlanta. 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 ATL to STL?
Open the ATL to STL 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 ATL 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.

Get started free