WN4547Southwest Airlines · BUF → MDW
live · 13m ago
Route confirmed Southwest Airlines

WN4547 BuffaloBUF · 08:50 ChicagoMDW · 09:30

WN4547 by Southwest Airlines flies from Buffalo (BUF) to Chicago (MDW) for the Sat, Oct 17 departure.

Right nowLanded in Chicago · position data
09:56

arrived at MDW · 27 min late

⚖ WN4547 typically leaves +12 and lands −4. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-17
+55 gate
10-16
+6 gate · +8 arrival
10-15
+12 gate · +19 arrival
10-12
+8 gate · −11 arrival
10-11
+19 gate · −4 arrival
10-10
+13 gate · −13 arrival
10-09
+10 gate · −11 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 −4 min · 0 cancelled · 11 operations tracked

The route today

live boards
BUFBuffaloOn-time likelyBUF delay board →
MDWChicagoOn-time likelyMDW delay board →
BUF→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
2.2%Chance of cancellation
+10 minAvg hub delay right now

Conditions at BUF 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 Buffalo to Chicago flights today

same route · Southwest Airlines
WN3607departs 08:25
WN3867departs 14:00
WN408departs 14:20
WN3086departs 16:55
WN840departs 19:35
WN1070departs 19:55

If WN4547 is cancelled, these are the other Southwest Airlines nonstop flights from Buffalo to Chicago on the same day, with scheduled departure times in BUF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4547 actually runs

Pro Flight Search has tracked every published board update for WN4547 across the BUF and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 10 confirmed landings · 9/10 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 WN4547 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
10-17BUF 08:50 09:45 (+55)MDW 09:30
10-16BUF 07:30 07:36 (+6)MDW 08:10 08:18 (+8)
10-15BUF 07:30 07:42 (+12)MDW 08:10 08:29 (+19)
10-12BUF 07:30 07:38 (+8)MDW 08:10 07:59 (−11)
10-11BUF 08:00 08:19 (+19)MDW 08:40 08:36 (−4)
10-10BUF 08:50 09:03 (+13)MDW 09:30 09:17 (−13)
10-09BUF 07:30 07:40 (+10)MDW 08:10 07:59 (−11)
10-08BUF 07:30 07:38 (+8)MDW 08:10 08:07 (−3)
10-05BUF 07:30 07:43 (+13)MDW 08:10 08:07 (−3)
10-04BUF 08:00 08:05 (+5)MDW 08:40 08:25 (−15)
10-03BUF 08:50 09:03 (+13)MDW 09:30 09:21 (−9)

Aircraft

Recent tails: N8893L, N8619F, N8678E, N226WN.

Board clocks recorded as BUF 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 — WN4547 Buffalo to Chicago on-time performance, measured from the BUF and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4547
How we measure this →