WN3937Southwest Airlines · MDW → DAL
live · 13m ago
Route confirmed Southwest Airlines

WN3937 ChicagoMDW · 18:25 DallasDAL · 21:00

WN3937 by Southwest Airlines flies from Chicago (MDW) to Dallas (DAL) for the Fri, Nov 13 departure.

Right nowScheduled · gate B11
18:25

departs MDW · on schedule

Typical gate push−1 minmedian posted departure
Typical arrival−23 minmedian over 5 operations
Wins back in air~22 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-13
−18 arrival
11-12
+16 gate · −18 arrival
11-11
+0 gate · −23 arrival
11-10
−6 gate · −39 arrival
11-09
−2 gate · −26 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 −23 min · 0 cancelled · 5 operations tracked

The route today

live boards
MDWChicagoHigh riskMDW delay board →
DALDallasOn-time likelyDAL delay board →
MDW→DALevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
45%Chance of 15+ min delay
1.2%Chance of cancellation
+14 minTypical airport delay in this weather

Conditions at MDW and DAL 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 Chicago

Forecast

Sat 14 Nov, local date

High8°Clikely 7°C to 9°C
Low1°Clikely −1°C to 3°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 Dallas

Forecast

Sat 14 Nov, local date

High18°Clikely 15°C to 20°C
Low9°Clikely 8°C to 11°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 Chicago to Dallas flights today

same route · Southwest Airlines
WN4026departs 05:00
WN1484departs 05:20
WN1917departs 06:00
WN1133departs 07:05
WN1191departs 07:20
WN4067departs 08:30

If WN3937 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Dallas on the same day, with scheduled departure times in MDW 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 WN3937 actually runs

Pro Flight Search has tracked every published board update for WN3937 across the MDW and DAL boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3937 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
11-13MDW 18:25DAL 21:00 20:42 (−18)
11-12MDW 18:25 18:41 (+16)DAL 21:00 20:42 (−18)
11-11MDW 20:45 (+0)DAL 23:15 22:52 (−23)
11-10MDW 20:45 20:39 (−6)DAL 23:15 22:36 (−39)
11-09MDW 18:25 18:23 (−2)DAL 21:00 20:34 (−26)

Aircraft

Recent tails: N8543Z, N8522P, N8643A, N8580Z.

Board clocks recorded as MDW and DAL 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: WN3937 Chicago to Dallas on-time performance, measured from the MDW and DAL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3937
How we measure this →