WN4547Southwest Airlines · BUF → MDW
live · 15m ago
Route confirmed Southwest Airlines

WN4547 BuffaloBUF · 07:30 ChicagoMDW · 08:10

WN4547 by Southwest Airlines flies from Buffalo (BUF) to Chicago (MDW).

Right nowNext departure today Operates daily
07:30

scheduled from BUF

⚖ WN4547 typically leaves +11 and lands −8. The air wins minutes back.
Typical gate push+11 minmedian posted departure
Typical arrival−8 minmedian over 8 operations
Wins back in air~19 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-05
+13 gate · −8 arrival
10-30
+2 gate · −10 arrival
10-29
+13 gate · −8 arrival
10-26
+10 gate · −6 arrival
10-25
+8 gate · −15 arrival
10-24
+18 gate · −1 arrival
10-23
+12 gate · −6 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 −8 min · 0 cancelled · 8 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

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
39%Chance of 15+ min delay
2.7%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 Chicago

Forecast

Thu 5 Nov, local date

High13°Clikely 12°C to 14°C
Low10°Clikely 9°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.

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
WN845departs 07:20
WN3607departs 08:25
WN507departs 08:55
WN3867departs 14:00
WN726departs 14:00
WN408departs 14:20

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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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 ~8 min early. Based on 8 confirmed landings · 8/8 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
11-05BUF 07:30 07:43 (+13)MDW 08:10 08:02 (−8)
10-30BUF 07:30 07:32 (+2)MDW 08:10 08:00 (−10)
10-29BUF 07:30 07:43 (+13)MDW 08:10 08:02 (−8)
10-26BUF 07:30 07:40 (+10)MDW 08:10 08:04 (−6)
10-25BUF 08:00 08:08 (+8)MDW 08:40 08:25 (−15)
10-24BUF 08:50 09:08 (+18)MDW 09:30 09:29 (−1)
10-23BUF 07:30 07:42 (+12)MDW 08:10 08:04 (−6)
10-22BUF 07:30 07:36 (+6)MDW 08:10 07:53 (−17)

Aircraft

Recent tails: N8865L, N8871Q, N8614M, N295WN.

Board clocks recorded as BUF and MDW published them.

Planning around WN4547? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 →