WN2851Southwest Airlines · MEM → MDW
live · 26m ago
Route confirmed Southwest Airlines

WN2851 MemphisMEM · 05:15 ChicagoMDW · 06:50

WN2851 by Southwest Airlines flies from Memphis (MEM) to Chicago (MDW) for the Fri, Sep 4 departure.

Right nowLanded in Chicago · today
07:20

arrived at MDW · 30 min late

⚖ WN2851 typically leaves +8 and lands −11. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-04
+48 gate · +30 arrival
09-03
+6 gate · −13 arrival
09-02
+11 gate · −11 arrival
09-01
+7 gate · −12 arrival
08-31
+4 gate · −15 arrival
08-30
−4 gate · −24 arrival
08-29
+8 gate · −5 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 −11 min · 0 cancelled · 14 operations tracked

The route today

live boards
MEMMemphisOn-time likelyMEM delay board →
MDWChicagoOn-time likelyMDW delay board →
MEM→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
48%Chance of 15+ min delay
1.9%Chance of cancellation
+13 minAvg hub delay right now

Conditions at MEM 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 Memphis to Chicago flights today

same route · Southwest Airlines
WN4769departs 12:40
WN4662departs 15:25

If WN2851 is cancelled, these are the other Southwest Airlines nonstop flights from Memphis to Chicago on the same day, with scheduled departure times in MEM local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN2851 actually runs

Pro Flight Search has tracked every published board update for WN2851 across the MEM and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min early. Based on 14 confirmed landings · 13/14 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 WN2851 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
09-04MEM 05:15 06:03 (+48)MDW 06:50 07:20 (+30)
09-03MEM 05:15 05:21 (+6)MDW 06:50 06:37 (−13)
09-02MEM 06:00 06:11 (+11)MDW 07:35 07:24 (−11)
09-01MEM 06:00 06:07 (+7)MDW 07:35 07:23 (−12)
08-31MEM 05:15 05:19 (+4)MDW 06:50 06:35 (−15)
08-30MEM 05:35 05:31 (−4)MDW 07:10 06:46 (−24)
08-29MEM 05:10 05:18 (+8)MDW 06:45 06:40 (−5)
08-28MEM 05:15 05:26 (+11)MDW 06:50 06:46 (−4)
08-27MEM 05:15 05:32 (+17)MDW 06:50 06:53 (+3)
08-26MEM 06:00 06:08 (+8)MDW 07:35 07:28 (−7)
08-25MEM 06:00 06:02 (+2)MDW 07:35 07:22 (−13)
08-24MEM 05:15 05:22 (+7)MDW 06:50 06:39 (−11)
08-23MEM 05:35 06:02 (+27)MDW 07:10 07:25 (+15)
08-22MEM 05:10 05:16 (+6)MDW 06:45 06:33 (−12)

Aircraft

Recent tails: N7745A, N7825A, N907WN, N448WN.

Board clocks recorded as MEM 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 — WN2851 Memphis to Chicago on-time performance, measured from the MEM and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN2851
How we measure this →