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

Delta Air Lines and Frontier Airlines fly nonstop between St. Louis (STL) and Atlanta (ATL), roughly 58 times a week. The timetable below shows the nonstop scheduled at 1h 33m to 1h 45m for the 484 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines flights on this route, so you can see which departures have space before you book.

Schedule last confirmed October 25, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated October 29, 2026.

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Flights a week, 4-week average

1h 33m to 1h 45m

Scheduled flight time

484 mi

Nonstop distance

Free

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St. Louis to Atlanta flight schedule

Scheduled nonstop departures for STL to ATL starting October 28, 2026, last checked against our schedule feed on October 25, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from St. Louis (STL) to Atlanta (ATL)
Date	Flight	Airline	Departs STL	Arrives ATL	Duration	Aircraft
Wed, Oct 28	DL 1524	Delta Air Lines	06:00	08:38	1h 38m	Boeing 737-900
Wed, Oct 28	DL 1536	Delta Air Lines	07:00	09:36	1h 36m	Boeing 737-900
Wed, Oct 28	DL 1571	Delta Air Lines	10:14	12:49	1h 35m	Boeing 737-900
Wed, Oct 28	F9 2646	Frontier Airlines	10:35	13:15	1h 40m	Airbus A321neo family
Wed, Oct 28	DL 1400	Delta Air Lines	12:00	14:35	1h 35m	Boeing 737-900
Wed, Oct 28	DL 1102	Delta Air Lines	14:25	17:00	1h 35m	Boeing 737-900
Wed, Oct 28	DL 543	Delta Air Lines	17:35	20:14	1h 39m	Boeing 737-900
Wed, Oct 28	F9 4474	Frontier Airlines	18:44	21:29	1h 45m	Airbus A320neo
Wed, Oct 28	DL 1393	Delta Air Lines	19:20	22:00	1h 40m	Boeing 737-900
Thu, Oct 29	DL 1524	Delta Air Lines	06:00	08:38	1h 38m	Boeing 737-900
Thu, Oct 29	DL 1536	Delta Air Lines	07:00	09:36	1h 36m	Boeing 737-900
Thu, Oct 29	DL 1571	Delta Air Lines	10:14	12:49	1h 35m	Boeing 737-900
Thu, Oct 29	F9 2646	Frontier Airlines	10:35	13:15	1h 40m	Airbus A321neo family
Thu, Oct 29	DL 1400	Delta Air Lines	12:00	14:33	1h 33m	Boeing 737-900
Thu, Oct 29	DL 1102	Delta Air Lines	14:25	17:00	1h 35m	Boeing 737-900
Thu, Oct 29	DL 543	Delta Air Lines	17:35	20:14	1h 39m	Boeing 737-900
Thu, Oct 29	DL 1393	Delta Air Lines	19:20	22:00	1h 40m	Boeing 737-900
Fri, Oct 30	DL 1524	Delta Air Lines	06:00	08:38	1h 38m	Boeing 737-900
Fri, Oct 30	DL 1536	Delta Air Lines	07:00	09:36	1h 36m	Boeing 737-900
Fri, Oct 30	DL 1571	Delta Air Lines	10:14	12:49	1h 35m	Boeing 737-900
Fri, Oct 30	F9 2646	Frontier Airlines	10:35	13:15	1h 40m	Airbus A321neo family
Fri, Oct 30	DL 1400	Delta Air Lines	12:00	14:35	1h 35m	Boeing 737-900
Fri, Oct 30	DL 1102	Delta Air Lines	14:25	17:00	1h 35m	Boeing 737-900
Fri, Oct 30	DL 543	Delta Air Lines	17:35	20:14	1h 39m	Boeing 737-900
Fri, Oct 30	F9 4474	Frontier Airlines	18:44	21:29	1h 45m	Airbus A320neo
Fri, Oct 30	DL 1393	Delta Air Lines	19:20	22:00	1h 40m	Boeing 737-900
Sat, Oct 31	DL 1524	Delta Air Lines	06:00	08:38	1h 38m	Boeing 737-900
Sat, Oct 31	DL 1536	Delta Air Lines	07:00	09:36	1h 36m	Boeing 737-900
Sat, Oct 31	F9 2646	Frontier Airlines	10:35	13:15	1h 40m	Airbus A321neo family
Sat, Oct 31	DL 1571	Delta Air Lines	10:47	13:23	1h 36m	Boeing 737-900
Sat, Oct 31	DL 1400	Delta Air Lines	12:00	14:35	1h 35m	Boeing 737-900
Sat, Oct 31	DL 1102	Delta Air Lines	16:00	18:36	1h 36m	Boeing 737-900
Sat, Oct 31	DL 543	Delta Air Lines	17:30	20:10	1h 40m	Boeing 737-900
Sat, Oct 31	DL 1393	Delta Air Lines	19:05	21:47	1h 42m	Boeing 737-900
Sun, Nov 1	DL 1524	Delta Air Lines	06:00	08:38	1h 38m	Boeing 737-900
Sun, Nov 1	DL 1536	Delta Air Lines	07:00	09:36	1h 36m	Boeing 737-900
Sun, Nov 1	DL 1571	Delta Air Lines	10:25	13:00	1h 35m	Boeing 737-900
Sun, Nov 1	F9 2646	Frontier Airlines	10:35	13:15	1h 40m	Airbus A321neo family
Sun, Nov 1	DL 1400	Delta Air Lines	12:00	14:35	1h 35m	Boeing 737-900
Sun, Nov 1	DL 1102	Delta Air Lines	14:25	17:00	1h 35m	Boeing 737-900

Showing the first 40 of 57 scheduled STL to ATL departures across 7 days with service, starting October 28, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every STL to ATL date on the interactive map

Aircraft on the St. Louis to Atlanta nonstop

In the schedule table on this page, Delta Air Lines flies the Boeing 737-900, and Frontier Airlines flies the Airbus A321neo family and the Airbus A320neo. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on STL to ATL 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 Atlanta to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

Delta Air Lines award space was open on all 14 St. Louis to Atlanta departure dates from October 26 to November 8 that 2LNR checked in the 7 days to October 26, 2026.

See real availability

Confirmed upgrade or award seats by date on the STL to ATL departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking.

Plan on the map

See STL to ATL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying St. Louis to Atlanta nonstop

Carriers operating STL to ATL nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See STL to ATL on the interactive map →

Frequently asked questions about STL to ATL

How long is the flight from St. Louis (STL) to Atlanta (ATL)?

Scheduled flight times from St. Louis (STL) to Atlanta (ATL) run from 1h 33m to 1h 45m across the departures in the schedule table on this page. The nonstop covers about 484 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

Which airlines fly nonstop from STL to ATL?

Delta Air Lines and Frontier Airlines fly STL to ATL nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.

How many flights a week are there from STL to ATL?

About 58 nonstop flights a week run between St. Louis (STL) and Atlanta (ATL) 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 STL to ATL depart?

Scheduled STL to ATL nonstops in the next 7 days with service leave between 06:00 and 19:20, local time at St. Louis. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

Which flights operate STL to ATL nonstop?

The schedule table on this page lists 9 flight numbers for STL to ATL nonstops, including DL 543, DL 1102, DL 1393, DL 1400, DL 1524, DL 1536, and DL 1571 on Delta Air Lines, and F9 2646 on Frontier Airlines. The table lists each departure by date with its times and aircraft.

How do I check upgrade or award availability on STL to ATL?

Open the STL to ATL 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 ATL upgrade or award space

See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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