WN3724Southwest Airlines · SAT → MDW
live · 7m ago
Route confirmed Southwest Airlines

WN3724 San AntonioSAT · 04:20 ChicagoMDW · 12:00

WN3724 by Southwest Airlines flies from San Antonio (SAT) to Chicago (MDW) for the Sun, Oct 18 departure.

Right nowLanded in Chicago · today
11:40

arrived at MDW · 20 min early

Typical gate push+1 minmedian posted departure
Typical arrival−13 minmedian over 6 operations
Wins back in air~14 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-18
−20 arrival
10-16
+1 gate · −18 arrival
10-15
−32 arrival
10-12
−13 arrival
10-11
−11 arrival
10-09
−12 arrival

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

median arrival −13 min · 0 cancelled · 6 operations tracked

The route today

live boards
SATSan AntonioOn-time likelySAT delay board →
MDWChicagoOn-time likelyMDW delay board →
SAT→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
1.1%Chance of cancellation
+9 minAvg hub delay right now

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. 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 San Antonio to Chicago flights today

same route · Southwest Airlines
WN2456departs 00:00
WN2311departs 03:55
WN1686departs 05:05
WN3725departs 07:45
WN4109departs 09:25
WN327departs 09:50

If WN3724 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 posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3724 actually runs

Pro Flight Search has tracked every published board update for WN3724 across the SAT and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3724 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
10-18SAT 04:20MDW 12:00 11:40 (−20)
10-16SAT 04:20 04:21 (+1)MDW 12:00 11:42 (−18)
10-15SAT 04:20MDW 12:00 11:28 (−32)
10-12SAT 04:20MDW 12:00 11:47 (−13)
10-11SAT 04:20MDW 12:00 11:49 (−11)
10-09SAT MDW 12:00 11:48 (−12)

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 — WN3724 San Antonio to Chicago on-time performance, measured from the SAT and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3724
How we measure this →