WN766Southwest Airlines · BUF → MDW
live · 9m ago
Route confirmed Southwest Airlines

WN766 BuffaloBUF · 08:35 ChicagoMDW · 09:10

WN766 by Southwest Airlines flies from Buffalo (BUF) to Chicago (MDW) for the Mon, Sep 14 departure.

Right nowExpected in Chicago · today
09:10

arrival expected at MDW · on schedule

⚖ WN766 typically leaves +13 and lands +0. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-14
+11 gate
09-13
+4 gate · −6 arrival
09-11
+10 gate · +0 arrival
09-10
+18 gate · +9 arrival
09-09
+21 gate · +6 arrival
09-08
+9 gate · −12 arrival
09-07
+11 gate · −4 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 +0 min · 0 cancelled · 10 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
43%Chance of 15+ min delay
2.9%Chance of cancellation
+11 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
WN3295departs 08:00
WN4911departs 08:40
WN280departs 11:45
WN3991departs 16:35
WN3853departs 18:25
WN768departs 19:00

If WN766 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 WN766 actually runs

Pro Flight Search has tracked every published board update for WN766 across the BUF and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 9 confirmed landings · 8/9 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 WN766 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
09-14BUF 08:35 08:46 (+11)MDW 09:10
09-13BUF 12:20 12:24 (+4)MDW 12:55 12:49 (−6)
09-11BUF 08:35 08:45 (+10)MDW 09:10 (+0)
09-10BUF 08:35 08:53 (+18)MDW 09:10 09:19 (+9)
09-09BUF 12:35 12:56 (+21)MDW 13:10 13:16 (+6)
09-08BUF 12:35 12:44 (+9)MDW 13:10 12:58 (−12)
09-07BUF 08:35 08:46 (+11)MDW 09:10 09:06 (−4)
09-06BUF 14:50 15:04 (+14)MDW 15:30 15:19 (−11)
09-04BUF 08:35 08:48 (+13)MDW 09:10 09:29 (+19)
09-03BUF 08:35 08:52 (+17)MDW 09:10 09:13 (+3)

Aircraft

Recent tails: N8509U, N464WN, N285WN, N9016S.

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 — WN766 Buffalo to Chicago on-time performance, measured from the BUF and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN766
How we measure this →