STL → ATLSt Louis to Atlanta

live

Direct flights from St Louis (STL) to Atlanta (ATL): 17 nonstop departures observed each week across 3 airlines. 76% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 16 minutes early. No cancellations were recorded across the 21 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 17 October 2026 at 03:18 UTC.

STL St Louis busy · +18
ATL Atlanta smooth · +0
779 km · ~1h 30m est.
dep bank 05:55–19:5017x weekly
Runs mixed · 3 airlines · 17x weekly · nonstop
76% on time

of the last 21 operated STL → ATL flights arrived within 15 minutes

Median arrival delay is −16 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−16 minacross the last 21 operated legs
Flight time~1h 30mestimated from route distance
Weekly departures17x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 21

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 LinesDL93% on time

Flights DL1524 06:00 daily · DL1536 07:00 daily · DL1571 10:14 daily · DL1400 12:00 daily

Frontier AirlinesF9

Flights F94474 18:35 Mo We Fr

Southwest AirlinesWN50% on time

Flights WN4064 05:55 Su · WN199 10:05 Sa · WN1332 10:20 Su · WN4034 10:20 Mo Tu We Th Fr

History

operated legs · board outcomes
10-16DL1102dep +3 → arr−21
10-16DL1393dep +7 → arr−21
10-16DL1400dep +11 → arr−15
10-16DL1524dep +10 → arr−18
10-16DL1536dep +9 → arr−18
10-16DL1571dep +12 → arr−14
10-16DL543dep +11 → arr−16
10-16F94474dep +112 → arr+65
10-16WN2244dep +40 → arr+16
10-16WN239dep +90 → arr+71
10-16WN4034dep +17 → arr−4
10-15DL1102dep +73 → arr+45
10-15DL1393dep +4 → arr−20
10-15DL1400dep +7 → arr−20
10-15DL1524dep +4 → arr−26
10-15DL1536dep +3 → arr−25
10-15DL1571arrived−22
10-15DL543arrived−24
10-15WN2244arrived+54
10-15WN239arrived+1
10-15WN4034arrived−11

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 +18 min busy 🌤 clear · N 8 kt Full STL delay board →
ATLAtlanta +0 min smooth 🌤 few clouds · NNW 17 kt Full ATL delay board →

Weather lens

Current conditions put the pressure at STL: 37% odds of a 15+ minute delay and around +9 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?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 88/100. 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 05:55 and evening departures around 17:35 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 71 flights a week between them. Compare carrier days and times in the airline list above.