WN4816Southwest Airlines · ATL → STL
live · 5h ago
Route confirmed Southwest Airlines

WN4816 AtlantaATL · 19:20 St LouisSTL · 20:00

WN4816 by Southwest Airlines flies from Atlanta (ATL) to St Louis (STL) for the Wed, Oct 21 departure.

Right nowLanded in St Louis · today
19:48

arrived at STL · 12 min early

⚖ WN4816 typically leaves +45 and lands +28. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-22
+19 gate · −12 arrival
10-21
+19 gate · −12 arrival
10-20
+4 gate · −24 arrival
10-19
+52 gate · +28 arrival
10-18
+60 gate · +29 arrival
10-16
+62 gate · +36 arrival
10-15
+71 gate · +35 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival +28 min · 0 cancelled · 13 operations tracked

The route today

live boards
ATLAtlantaOn-time likelyATL delay board →
STLSt LouisOn-time likelySTL delay board →
ATL→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
1.1%Chance of cancellation
+9 minAvg hub delay right now

Conditions at ATL and STL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Atlanta to St Louis flights today

same route · Southwest Airlines
WN277departs 06:45
WN255departs 07:05
WN335departs 08:40
WN710departs 10:00
WN192departs 12:20
WN244departs 13:40

If WN4816 is cancelled, these are the other Southwest Airlines nonstop flights from Atlanta to St Louis on the same day, with scheduled departure times in ATL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4816 actually runs

Pro Flight Search has tracked every published board update for WN4816 across the ATL and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~32 min late. Based on 12 confirmed landings · 6/12 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4816 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-22ATL 19:20 19:39 (+19)STL 20:00 19:48 (−12)
10-21ATL 19:20 19:39 (+19)STL 20:00 19:48 (−12)
10-20ATL 19:20 19:24 (+4)STL 20:00 19:36 (−24)
10-19ATL 20:15 21:07 (+52)STL 20:55 21:23 (+28)
10-18ATL 20:15 21:15 (+60)STL 20:55 21:24 (+29)
10-16ATL 20:15 21:17 (+62)STL 20:55 21:31 (+36)
10-15ATL 20:15 21:26 (+71)STL 20:55 21:30 (+35)
10-14ATL 19:20 19:49 (+29)STL 20:00 19:58 (−2)
10-13ATL 19:20 19:28 (+8)STL 20:00 19:37 (−23)
10-12ATL 20:15 20:45 (+30)STL 20:55 20:57 (+2)
10-11ATL 20:15 21:00 (+45)STL 20:55 22:36 (+101)
10-09ATL 20:15 22:13 (+118)STL 20:55 22:26 (+91)
10-08ATL 20:15 21:13 (+58)STL

Aircraft

Recent tails: N7832A, N7889A, N243WN, N903WN.

Board clocks recorded as ATL and STL published them.

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 — WN4816 Atlanta to St Louis on-time performance, measured from the ATL and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4816
How we measure this →