WN3421Southwest Airlines · PHX → MCI
live · 33m ago
Route confirmed Southwest Airlines

WN3421 PhoenixPHX · 18:35 Kansas CityMCI · 23:10

WN3421 by Southwest Airlines flies from Phoenix (PHX) to Kansas City (MCI) for the Wed, Oct 21 departure.

Right nowOn Time · gate D14 · as of 07:07
18:35

departs PHX · on schedule

Typical gate push+28 minmedian posted departure
Typical arrival+2 minmedian over 1 operations
Wins back in air~26 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
PHXPhoenixOn-time likelyPHX delay board →
MCIKansas CityOn-time likelyMCI delay board →
PHX→MCIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
2.2%Chance of cancellation
+10 minAvg hub delay right now

Conditions at PHX and MCI 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 Phoenix to Kansas City flights today

same route · Southwest Airlines
WN3417departs 05:05
WN3150departs 05:30
WN1161departs 06:00
WN640departs 06:00
WN3418departs 07:25
WN405departs 08:20

If WN3421 is cancelled, these are the other Southwest Airlines nonstop flights from Phoenix to Kansas City on the same day, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3421 actually runs

Pro Flight Search has tracked every published board update for WN3421 across the PHX and MCI boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left noticeably late (~28 min) but landed right on schedule. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3421 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
10-20PHX 18:35 19:03 (+28)MCI 23:10 23:12 (+2)

Board clocks recorded as PHX and MCI published them.

Planning around WN3421? 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 — WN3421 Phoenix to Kansas City on-time performance, measured from the PHX and MCI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3421
How we measure this →