WN4520Southwest Airlines · DAL → ATL
live · 3h ago
Route confirmed Southwest Airlines

WN4520 DallasDAL · 19:25 AtlantaATL · 22:35

WN4520 by Southwest Airlines flies from Dallas (DAL) to Atlanta (ATL).

Right nowNext departure today Operates daily
19:25

scheduled from DAL

⚖ WN4520 typically leaves +17 and lands −16. The air wins minutes back.
Typical gate push+17 minmedian posted departure
Typical arrival−16 minmedian over 9 operations
Wins back in air~33 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-10
+17 gate · −17 arrival
09-07
+44 gate · +9 arrival
09-05
+12 gate · −12 arrival
09-04
+39 gate · +3 arrival
09-03
+17 gate · −17 arrival
08-31
+9 gate · −19 arrival
08-29
+12 gate · −16 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 −16 min · 0 cancelled · 9 operations tracked

The route today

live boards
DALDallasOn-time likelyDAL delay board →
ATLAtlantaOn-time likelyATL delay board →
DAL→ATLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
0.7%Chance of cancellation
+6 minAvg hub delay right now

Conditions at DAL and ATL 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 Dallas to Atlanta flights today

same route · Southwest Airlines
WN1048departs 06:30
WN4382departs 07:45
WN4860departs 09:00
WN5088departs 09:00
WN1704departs 10:50
WN1278departs 12:25

If WN4520 is cancelled, these are the other Southwest Airlines nonstop flights from Dallas to Atlanta on the same day, with scheduled departure times in DAL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4520 actually runs

Pro Flight Search has tracked every published board update for WN4520 across the DAL and ATL boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 9 confirmed landings · 9/9 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN4520 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
09-10DAL 19:25 19:42 (+17)ATL 22:35 22:18 (−17)
09-07DAL 19:25 20:09 (+44)ATL 22:35 22:44 (+9)
09-05DAL 08:00 08:12 (+12)ATL 11:05 10:53 (−12)
09-04DAL 19:25 20:04 (+39)ATL 22:35 22:38 (+3)
09-03DAL 19:25 19:42 (+17)ATL 22:35 22:18 (−17)
08-31DAL 19:25 19:34 (+9)ATL 22:30 22:11 (−19)
08-29DAL 08:00 08:12 (+12)ATL 11:05 10:49 (−16)
08-28DAL 19:25 19:36 (+11)ATL 22:30 22:08 (−22)
08-27DAL 19:25 19:56 (+31)ATL 22:30 (+0)

Aircraft

Recent tails: N8303R, N8562Z, N8695D, N8301J.

Board clocks recorded as DAL and ATL 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 — WN4520 Dallas to Atlanta on-time performance, measured from the DAL and ATL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4520
How we measure this →