WN3473 Kansas CityMCI · 06:20 BostonBOS · 07:40
WN3473 by Southwest Airlines flies from Kansas City (MCI) to Boston (BOS) for the Wed, Sep 16 departure.
Same number through MCI → MDW → BOS
arrival expected at BOS · on schedule
board checked 19m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MCI and BOS 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Kansas City to Boston flights today
same route · Southwest AirlinesIf WN3473 is cancelled, these are the other Southwest Airlines nonstop flights from Kansas City to Boston on the same day, with scheduled departure times in MCI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3473 actually runs
Pro Flight Search has tracked every published board update for WN3473 across the MCI and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 2 confirmed landings · 2/2 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN3473 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as MCI and BOS published them.
Planning around WN3473? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — WN3473 Kansas City to Boston on-time performance, measured from the MCI and BOS airport boards.
https://proflightsearch.com/flight/WN3473
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