WN2456Southwest Airlines · MIA → STL
live · 3m ago
Route confirmed Southwest Airlines

WN2456 MiamiMIA St LouisSTL

WN2456 by Southwest Airlines flies from Miami (MIA) to St Louis (STL).

Right nowDescending into St Louis
08:03

estimated arrival at STL · local time · ~44 min from now

LivePosition · updated 3m ago
STL196 mi · ~44 min leftMIA
7,600 ftAltitudedescending
297 mphSpeed258 kt
27°Direction

Live position · flown path, last 2h 0m Descending early, still 196 mi from STL — may be weather routing or a path change. Check with the airline.

The route today

live boards
MIAMiamiHigh riskMIA delay board →
STLSt LouisOn-time likelySTL delay board →
MIA→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
2.6%Chance of cancellation
+9 minAvg hub delay right now

Conditions at MIA and STL 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 Miami to St Louis flights today

same route · Southwest Airlines
WN3460departs 05:15
WN1940departs 05:50
WN2522departs 10:25
WN4916departs 16:30
WN3040departs 19:10
WN3277departs 19:10

If WN2456 is cancelled, these are the other Southwest Airlines nonstop flights from Miami to St Louis on the same day, with scheduled departure times in MIA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN2456 actually runs

Pro Flight Search has tracked every published board update for WN2456 across the MIA and STL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 73.7/100. Based on airport operations, weather, and cached board history at MIA and STL.

The verdict above is that record speaking, so it reflects how WN2456 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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 — WN2456 Miami to St Louis on-time performance, measured from the MIA and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN2456
How we measure this →