WN1140Southwest Airlines · ATL → HOU
live · 35m 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+17 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-05
+17 gate
10-30
+32 gate
10-29
+17 gate
10-28
+7 gate
10-27
+5 gate
10-26
+15 gate
10-23
+47 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

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
30%Chance of 15+ min delay
0.7%Chance of cancellation
+3 minTypical airport delay in this weather

Driven mainly by ATL (Atlanta), currently flying MVFR (marginal visual). These figures come from both airports' records 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 →

Tomorrow at Atlanta

Forecast

Fri 6 Nov, local date

High23°Clikely 21°C to 25°C
Low15°Clikely 12°C to 17°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at San Antonio

Forecast

Fri 6 Nov, local date

High23°Clikely 19°C to 25°C
Low14°Clikely 11°C to 16°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 today

same route · Southwest Airlines
WN1090departs 14:40
WN1770departs 14:45

If WN1140 is cancelled, these are the other Southwest Airlines nonstop flights from Atlanta to Houston on the same day, with scheduled departure times in ATL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. 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 ~7 min late. Based on 7 confirmed departures · 5/7 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
11-05ATL 16:35 16:52 (+17)HOU
10-30ATL 16:35 17:07 (+32)HOU
10-29ATL 16:35 16:52 (+17)HOU
10-28ATL 14:30 14:37 (+7)HOU
10-27ATL 14:30 14:35 (+5)HOU
10-26ATL 16:35 16:50 (+15)HOU
10-23ATL 16:35 17:22 (+47)HOU

Aircraft

Recent tails: N8860S, N9020R, N292WN, N206WN.

Board clocks recorded as ATL and HOU published them.

Planning around WN1140? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 →