WN4008Southwest Airlines · MDW → BUF
live · 37m ago
Route confirmed Southwest Airlines

WN4008 ChicagoMDW · 18:00 BuffaloBUF · 20:35

WN4008 by Southwest Airlines flies from Chicago (MDW) to Buffalo (BUF).

Right nowNext departure today Operates daily
18:00

scheduled from MDW

Wins back in air~14 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
MDWChicagoOn-time likelyMDW delay board →
BUFBuffaloModerate riskBUF delay board →
MDW→BUFevery 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
0.7%Chance of cancellation
+12 minTypical airport delay in this weather

Driven mainly by BUF (Buffalo), 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

Sun 8 Nov, local date

High14°Clikely 12°C to 16°C
Low4°Clikely 2°C to 6°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 Buffalo

Forecast

Sun 8 Nov, local date

High11°Clikely 10°C to 13°C
Low6°Clikely 4°C to 7°C
  • Gusts to 32 kt

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 Buffalo flights today

same route · Southwest Airlines
WN1538departs 07:50
WN826departs 07:55
WN908departs 07:55
WN1374departs 08:10
WN503departs 08:20
WN4217departs 12:45

If WN4008 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Buffalo 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 WN4008 actually runs

Pro Flight Search has tracked every published board update for WN4008 across the MDW and BUF boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +5 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4008 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
10-28MDW 18:00 17:59 (−1)BUF 20:35 20:24 (−11)
10-27MDW 18:00 17:53 (−7)BUF 20:35 20:09 (−26)

Aircraft

Recent tails: N7826B, N929WN.

Board clocks recorded as MDW and BUF published them.

Planning around WN4008? 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: WN4008 Chicago to Buffalo on-time performance, measured from the MDW and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4008
How we measure this →