WN3748Southwest Airlines · SDF → MDW
live · 12m ago
Route confirmed Southwest Airlines

WN3748 LouisvilleSDF · 15:35 ChicagoMDW · 15:50

WN3748 by Southwest Airlines flies from Louisville (SDF) to Chicago (MDW).

Right nowNext departure today Operates daily
07:30

scheduled from SDF

Typical gate push+9 minmedian posted departure
Typical arrival−6 minmedian over 6 operations
Wins back in air~15 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
11-05
+7 gate · −6 arrival
10-30
+2 gate · −18 arrival
10-29
+7 gate · −6 arrival
10-26
+22 gate · −1 arrival
10-23
+22 gate · +2 arrival
10-22
+11 gate · −10 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 −6 min · 0 cancelled · 6 operations tracked

The route today

live boards
SDFLouisvilleOn-time likelySDF delay board →
MDWChicagoOn-time likelyMDW delay board →
SDF→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
39%Chance of 15+ min delay
2.6%Chance of cancellation
+8 minTypical airport delay in this weather

Driven mainly by MDW (Chicago), 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 Louisville

Forecast

Fri 6 Nov, local date

High14°Clikely 12°C to 17°C
Low9°Clikely 7°C to 12°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

Fri 6 Nov, local date

High10°Clikely 8°C to 12°C
Low6°Clikely 4°C to 8°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 Louisville to Chicago flights today

same route · Southwest Airlines
WN4591departs 08:20
WN2350departs 08:45
WN2512departs 09:15
WN2805departs 12:35
WN2495departs 14:05
WN3502departs 14:05

If WN3748 is cancelled, these are the other Southwest Airlines nonstop flights from Louisville to Chicago on the same day, with scheduled departure times in SDF 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 WN3748 actually runs

Pro Flight Search has tracked every published board update for WN3748 across the SDF and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN3748 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
11-05SDF 15:35 15:42 (+7)MDW 15:50 15:44 (−6)
10-30SDF 15:35 15:37 (+2)MDW 15:50 15:32 (−18)
10-29SDF 15:35 15:42 (+7)MDW 15:50 15:44 (−6)
10-26SDF 15:35 15:57 (+22)MDW 15:50 15:49 (−1)
10-23SDF 15:35 15:57 (+22)MDW 15:50 15:52 (+2)
10-22SDF 15:35 15:46 (+11)MDW 15:50 15:40 (−10)

Aircraft

Recent tails: N498WN, N224WN, N908WN, N283WN.

Board clocks recorded as SDF 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: WN3748 Louisville to Chicago on-time performance, measured from the SDF and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3748
How we measure this →