WN1521Southwest Airlines · DAL → AUS
live · 3h ago
Route confirmed Southwest Airlines

WN1521 DallasDAL · 12:20 AustinAUS · 13:50

WN1521 by Southwest Airlines flies from Dallas (DAL) to Austin (AUS).

Same number through DAL → MSY → AUS

Right nowNext departure today Operates daily
12:20

scheduled from DAL

Typical gate push+16 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-08
+11 gate
09-07
+11 gate
09-04
+22 gate
09-03
+16 gate
08-31
+9 gate
08-28
+19 gate
08-27
+21 gate

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

0 cancelled · 7 operations tracked

The route today

live boards
DALDallasModerate riskDAL delay board →
AUSAustinOn-time likelyAUS delay board →
DAL→AUSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
0.9%Chance of cancellation
+8 minAvg hub delay right now

Conditions at DAL and AUS 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 Austin flights today

same route · Southwest Airlines
WN1331departs 07:45
WN995departs 07:55
WN230departs 10:45
WN1333departs 11:25
WN1334departs 14:15
WN1791departs 14:25

If WN1521 is cancelled, these are the other Southwest Airlines nonstop flights from Dallas to Austin 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 WN1521 actually runs

Pro Flight Search has tracked every published board update for WN1521 across the DAL and AUS boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 7 confirmed landings · 6/7 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 WN1521 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
09-08DAL 12:20 12:31 (+11)AUS
09-07DAL 12:20 12:31 (+11)AUS
09-04DAL 12:20 12:42 (+22)AUS
09-03DAL 12:20 12:36 (+16)AUS
08-31DAL 12:20 12:29 (+9)AUS
08-28DAL 12:20 12:39 (+19)AUS
08-27DAL 12:20 12:41 (+21)AUS

Aircraft

Recent tails: N8687A, N8675A, N8693A, N8669B.

Board clocks recorded as DAL and AUS 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 — WN1521 Dallas to Austin on-time performance, measured from the DAL and AUS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1521
How we measure this →