WN1140Southwest Airlines · ATL → HOU
live · 28m ago
Route confirmed Southwest Airlines

WN1140 AtlantaATL · 16:35 HoustonHOU · 13:05

WN1140 by Southwest Airlines flies from Atlanta (ATL) to Houston (HOU).

Same number through ATL → SAT → HOU

Right nowNext departure today Operates daily
14:30

scheduled from ATL

Typical gate push+46 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-24
+47 gate
10-23
+47 gate
10-22
+41 gate
10-21
+46 gate
10-20
+17 gate
10-19
+10 gate
10-16
+70 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
ATLAtlantaOn-time likelyATL delay board →
HOUHoustonOn-time likelyHOU delay board →
ATL→HOUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
26%Chance of 15+ min delay
0.9%Chance of cancellation
+2 minAvg hub delay right now

Conditions at ATL and HOU 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 Houston flights

same route · Southwest Airlines
WN1312departs 09:10 · Sun, Mon, Tue, Wed, Thu, Fri

If WN1140 is cancelled, this is the other Southwest Airlines nonstop flight from Atlanta to Houston, 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 WN1140 actually runs

Pro Flight Search has tracked every published board update for WN1140 across the ATL and HOU boards: schedule changes, gate pushes and actual clocks. Usually departs ~31 min late. Based on 7 confirmed departures · 1/7 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN1140 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
10-24ATL 16:35 17:22 (+47)HOU
10-23ATL 16:35 17:22 (+47)HOU
10-22ATL 16:35 17:16 (+41)HOU
10-21ATL 14:30 15:16 (+46)HOU
10-20ATL 14:30 14:47 (+17)HOU
10-19ATL 16:35 16:45 (+10)HOU
10-16ATL 16:35 17:45 (+70)HOU

Aircraft

Recent tails: N8988S, N8905Q, N297WN, N957WN.

Board clocks recorded as ATL and HOU 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 — WN1140 Atlanta to Houston on-time performance, measured from the ATL and HOU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1140
How we measure this →