WN3725Southwest Airlines · SAT → MDW
live · 39m ago
Route confirmed Southwest Airlines

WN3725 San AntonioSAT · 09:35 ChicagoMDW · 17:15

WN3725 by Southwest Airlines flies from San Antonio (SAT) to Chicago (MDW).

Right nowNext departure today Operates daily
11:55

scheduled from SAT

The route today

live boards
SATSan AntonioHigh riskSAT delay board →
MDWChicagoHigh riskMDW delay board →
SAT→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.7%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at SAT and MDW are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 SAT

Forecast

Thu 12 Nov, local date

High25°Clikely 22°C to 26°C
Low14°Clikely 12°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.

Tomorrow at MDW

Forecast

Thu 12 Nov, local date

High10°Clikely 8°C to 11°C
Low5°Clikely 2°C to 6°C
  • 84% chance of rain

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 San Antonio to Chicago flights today

same route · Southwest Airlines
WN2951departs 04:30
WN362departs 06:25
WN258departs 06:35
WN3382departs 08:40
WN2348departs 09:15
WN327departs 09:50

If WN3725 is cancelled, these are the other Southwest Airlines nonstop flights from San Antonio to Chicago on the same day, with scheduled departure times in SAT 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 WN3725 actually runs

Pro Flight Search has tracked every published board update for WN3725 across the SAT and MDW boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +53 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3725 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-30SAT 09:35 10:37 (+62)MDW 17:15 18:46 (+91)
10-29SAT 09:35MDW 17:15 17:30 (+15)

Board clocks recorded as SAT and MDW 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: WN3725 San Antonio to Chicago on-time performance, measured from the SAT and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3725
How we measure this →