ATL → STLAtlanta to St Louis

live

Direct flights from Atlanta (ATL) to St Louis (STL): 70 nonstop departures observed each week across 3 airlines. 95% of the last 56 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 59 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 Atlanta and St Louis. Updated 1 November 2026 at 15:03 UTC.

Today, ATL → STL

Sun 1 Nov · local times
  1. 07:00 WN4625Southwest Left 07:06 +6 STL est. 07:34In the air · sched 07:40
  2. 08:35 DL1571Delta Air Lines Left 08:45 +10 STL est. 09:08In the air · sched 09:17
  3. 10:05 DL1400Delta Air Lines On scheduleTS ·
  4. 12:40 DL1102Delta Air Lines On scheduleTS ·
  5. 13:25 WN736Southwest On scheduleTN ·

Checked ATL board 10:03 · STL board 06:18

ATL Atlanta smooth · +6
STL St Louis smooth · +0
779 km · ~1h 30m est.
dep bank 06:40–23:1170x weekly
Runs reliable · 3 airlines · 70x weekly · nonstop
95% on time

of the last 56 tracked ATL → STL flights arrived within 15 minutes

Median arrival delay is −17 min. 0 of 59 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 minacross the last 56 arrivals
Flight time~1h 30mestimated from route distance
Weekly departures70x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 59

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 LinesDL97% on time

Flights DL1571 08:25 daily · DL1400 10:05 daily · DL1102 12:40 daily · DL543 15:45 daily

Frontier AirlinesF9

Flights F94473 16:51 Mo We Fr

Southwest AirlinesWN94% on time

Flights WN192 varies Sa · WN277 06:45 Tu We · WN255 07:05 Mo Th Fr Su · WN244 13:40 Mo Th Fr

History

operated legs · board outcomes
11-01DL1571departed+10
11-01WN4625departed+6
10-31DL1102dep −1 → arr−27
10-31DL1400dep +12 → arr−18
10-31DL1403dep +10 → arr−23
10-31DL1571dep +4 → arr−24
10-31DL2833dep +2 → arr−25
10-31WN192dep +9 → arr−20
10-31WN3354dep +11 → arr−15
10-30DL1102dep +8 → arr−16
10-30DL1393dep +4 → arr−24
10-30DL1400dep +16 → arr−10
10-30DL1403dep +3 → arr−27
10-30DL1571dep +5 → arr−23
10-30DL2833dep +57 → arr+30
10-30DL543dep +6 → arr−21
10-30F94473dep +291 → arr+252
10-30WN244dep +39 → arr+14
10-30WN255dep +8 → arr−13
10-30WN4816dep +8 → arr−16
10-29DL1102dep +12 → arr−13
10-29DL1393dep +10 → arr−20
10-29DL1400dep +7 → arr−23
10-29DL1403dep +1 → arr−23
10-29DL1571dep +17 → arr−9
10-29DL2833dep +6 → arr−12
10-29WN239departed−20
10-29WN244dep +11 → arr−16
10-29WN255dep +134 → arr+112
10-29WN4816dep +15 → arr−5
10-28DL1102dep +11 → arr−12
10-28DL1393dep +6 → arr−17
10-28DL1400dep +16 → arr−5
10-28DL1403dep −1 → arr−28
10-28DL1571dep +7 → arr−19
10-28DL2833dep +3 → arr−23
10-28F94473dep +13 → arr−20
10-28WN277dep +13 → arr−12
10-28WN4816dep +10 → arr−11
10-28WN868dep +10 → arr−15

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
ATLAtlanta +6 min smooth 🌤 overcast · E 14 kt Full ATL delay board →
STLSt Louis +0 min smooth ⛅ overcast · ESE 10 kt Full STL delay board →

Weather lens

Conditions are tightest at STL: a 36% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +10 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Atlanta to St Louis route actually runs

Pro Flight Search records official board updates for nonstop ATL to STL 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: Atlanta (ATL) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

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

ATL to STL questions

Is ATL–STL running on time right now?

Mostly on schedule. The departure side at ATL is the weaker end, route health score 75/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ATL–STL?

Operators schedule morning departures around 06:45 and evening departures around 17:33 from ATL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from ATL to STL?

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 ATL–STL fly?

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