WN3534Southwest Airlines · SEA → MDW
live · 7m ago
Route confirmed Southwest Airlines

WN3534 SeattleSEA · 23:05 ChicagoMDW · 05:05

WN3534 by Southwest Airlines flies from Seattle (SEA) to Chicago (MDW) for the Sat, Sep 19 departure.

Right nowLanded in Chicago · today
05:52

arrived at MDW · 47 min late

Typical gate push+70 minmedian posted departure
Typical arrival+29 minmedian over 5 operations
Wins back in air~41 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
09-19
+70 gate · +47 arrival
09-18
+47 arrival
09-17
+29 arrival
09-16
+2 arrival
09-15
−13 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 +29 min · 0 cancelled · 5 operations tracked

The route today

live boards
SEASeattleModerate riskSEA delay board →
MDWChicagoModerate riskMDW delay board →
SEA→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
41%Chance of 15+ min delay
3.4%Chance of cancellation
+14 minAvg hub delay right now

Driven mainly by MDW (Chicago), currently flying MVFR (marginal visual). 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 Seattle to Chicago flights today

same route · Southwest Airlines
WN662departs 05:15
WN1396departs 05:20
WN2810departs 05:30
WN409departs 05:30
WN3774departs 06:20
WN4865departs 06:30

If WN3534 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to Chicago on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3534 actually runs

Pro Flight Search has tracked every published board update for WN3534 across the SEA and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~29 min late. Based on 5 confirmed landings · 2/5 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 WN3534 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-19SEA 23:05 00:15 (+70)MDW 05:05 05:52 (+47)
09-18SEA 23:05MDW 05:05 05:52 (+47)
09-17SEA 23:05MDW 05:05 05:34 (+29)
09-16SEA 23:05MDW 05:05 05:07 (+2)
09-15SEA MDW 05:05 04:52 (−13)

Board clocks recorded as SEA and MDW published them.

Planning around WN3534? 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 — WN3534 Seattle to Chicago on-time performance, measured from the SEA and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3534
How we measure this →