WN1556Southwest Airlines · HOU → AUS
live · 27m ago
Route confirmed Southwest Airlines

WN1556 HoustonHOU · 22:40 AustinAUS · 23:30

WN1556 by Southwest Airlines flies from Houston (HOU) to Austin (AUS) for the Fri, Oct 23 departure.

Right nowScheduled · gate 51 · as of 04:22
22:40

departs HOU · on schedule

Typical gate push+16 minmedian posted departure
Typical arrival−7 minmedian over 3 operations
Wins back in air~23 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
10-23
−7 arrival
10-22
+3 gate · −7 arrival
10-21
+16 gate · +9 arrival

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

The route today

live boards
HOUHoustonOn-time likelyHOU delay board →
AUSAustinModerate riskAUS delay board →
HOU→AUSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
0.8%Chance of cancellation
+7 minAvg hub delay right now

Conditions at HOU 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 Houston to Austin flights today

same route · Southwest Airlines
WN8505departs 08:00
WN1378departs 08:30
WN279departs 10:00
WN1228departs 10:15
WN433departs 10:55
WN5468departs 11:00

If WN1556 is cancelled, these are the other Southwest Airlines nonstop flights from Houston to Austin on the same day, with scheduled departure times in HOU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN1556 actually runs

Pro Flight Search has tracked every published board update for WN1556 across the HOU and AUS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left a little late (~16 min) but landed about 7 min early. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN1556 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
10-23HOU 22:40AUS 23:30 23:23 (−7)
10-22HOU 22:40 22:43 (+3)AUS 23:30 23:23 (−7)
10-21HOU 20:50 21:06 (+16)AUS 21:45 21:54 (+9)

Aircraft

Recent tails: N8669B, N8931L.

Board clocks recorded as HOU 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 — WN1556 Houston to Austin on-time performance, measured from the HOU and AUS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1556
How we measure this →