WN3791Southwest Airlines · SAT → MDW
live · 55m ago
Route confirmed Southwest Airlines

WN3791 San AntonioSAT · 14:50 ChicagoMDW · 17:25

WN3791 by Southwest Airlines flies from San Antonio (SAT) to Chicago (MDW).

Right nowNext departure today Operates daily
14:50

scheduled from SAT

Typical arrival+9 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-09
+5 gate · −6 arrival
11-08
+25 arrival
11-06
+3 gate · +7 arrival
11-05
+11 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
SATSan AntonioModerate riskSAT 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
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 San Antonio

Forecast

Thu 12 Nov, local date

High25°Clikely 23°C to 26°C
Low14°Clikely 13°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 Chicago

Forecast

Thu 12 Nov, local date

High10°Clikely 9°C to 11°C
Low4°Clikely 2°C to 6°C
  • 78% 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 WN3791 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 WN3791 actually runs

Pro Flight Search has tracked every published board update for WN3791 across the SAT and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min late. Based on 4 confirmed landings · 3/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3791 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
11-09SAT 14:50 14:55 (+5)MDW 17:25 17:19 (−6)
11-08SAT 14:50MDW 17:25 17:50 (+25)
11-06SAT 14:50 14:53 (+3)MDW 17:25 17:32 (+7)
11-05SAT MDW 17:25 17:36 (+11)

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: WN3791 San Antonio to Chicago on-time performance, measured from the SAT and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3791
How we measure this →