STL → ATLSt Louis to Atlanta

live

Direct flights from St Louis (STL) to Atlanta (ATL): 19 nonstop departures observed each week across 3 airlines. 96% of the last 24 operated flights arrived within 15 minutes of schedule. The median arrival is 22 minutes early. No cancellations were recorded across the 24 tracked flights. The nonstop covers 779 km, an estimated 1 hour 30 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Atlanta. Updated 11 September 2026 at 20:18 UTC.

STL St Louis busy · +27
ATL Atlanta smooth · +1
779 km · ~1h 30m est.
dep bank 06:00–18:5019x weekly
Runs reliable · 3 airlines · 19x weekly · nonstop
96% on time

of the last 24 operated STL → ATL flights arrived within 15 minutes

Median arrival delay is −22 min. 0 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−22 minacross the last 24 operated legs
Flight time~1h 30mestimated from route distance
Weekly departures19x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 24

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesFrontier AirlinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Delta Air LinesDL100% on time

Flights DL1524 06:00 daily · DL1536 07:00 daily · DL1400 11:00 daily · DL566 varies daily

Frontier AirlinesF9

Flights F94474 18:17 Mo We Th Fr Su

Southwest AirlinesWN83% on time

Flights WN3798 varies daily · WN1370 varies Tu We · WN3799 15:15 Mo Th Fr Su · WN3800 varies Mo Tu We Th Fr Su

History

operated legs · board outcomes
09-11DL1400dep +4 → arr+14
09-11DL1524dep +7 → arr−16
09-11DL1536dep +1 → arr−24
09-11DL566dep +59 → arr−7
09-11F94474dep +12 → arr−30
09-10DL1400dep +6 → arr−15
09-10DL1524dep +5 → arr−19
09-10DL1536dep +3 → arr−22
09-10DL2700dep +3 → arr−23
09-10DL543dep +0 → arr−33
09-10DL566dep +6 → arr−22
09-10WN3798dep +9 → arr−18
09-10WN3799dep +10 → arr−8
09-10WN3800dep +92 → arr+70
09-09DL1400dep +3 → arr−24
09-09DL1524dep +8 → arr−22
09-09DL1536dep +1 → arr−24
09-09DL2700dep +2 → arr−28
09-09DL543dep +4 → arr−31
09-09DL566arrived−24
09-09F94474arrived−23
09-09WN1370arrived−10
09-09WN3798arrived−23
09-09WN3800arrived−7

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +27 min busy ⛅ mostly cloudy · ESE 8 kt Full STL delay board →
ATLAtlanta +1 min smooth ⛅ mostly cloudy · SW 3 kt Full ATL delay board →

Weather lens

Current conditions put the pressure at STL and ATL: 36% odds of a 15+ minute delay and around +7 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Atlanta route actually runs

Pro Flight Search records official board updates for nonstop STL to ATL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — St Louis (STL) to Atlanta (ATL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-ATL
How we measure this →

STL to ATL questions

Is STL–ATL running on time right now?

Mostly on schedule. The departure side at STL is the weaker end, route health score 81/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–ATL?

Operators schedule morning departures around 06:00 and evening departures around 17:23 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ATL delay card to confirm conditions when you'd arrive.

How long is the flight from STL to ATL?

Great-circle distance is 779 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 85–97 min gate-to-gate on this route.

How often does STL–ATL fly?

3 carriers operate this route, around 70 flights a week between them. Compare carrier days and times in the airline list above.