WN3755Southwest Airlines · SMF → STL
live · 3h ago
Route confirmed Southwest Airlines

WN3755 SacramentoSMF · 12:25 St LouisSTL · 18:00

WN3755 by Southwest Airlines flies from Sacramento (SMF) to St Louis (STL) for the Sat, Sep 5 departure.

Right nowEn route to St Louis · off blocks 12:51 · 26 min late
En route

en route from SMF to STL

En routeWN3755 · position estimated
SMFSacramentoSTLSt Louis
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 12:51 · typical taxi-out at SMF ≈ 5.1 min. No receiver coverage over open ocean.

⚖ WN3755 typically leaves +23 and lands −1. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-05
+26 gate · −3 arrival
09-04
+26 gate · −3 arrival
09-03
+33 gate · +3 arrival
09-02
+14 gate · −14 arrival
09-01
+20 gate · −8 arrival
08-31
+23 gate · +5 arrival
08-30
+23 gate · −1 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 −1 min · 0 cancelled · 12 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
STLSt LouisOn-time likelySTL delay board →
SMF→STLevery 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
0.8%Chance of cancellation
+9 minAvg hub delay right now

Conditions at SMF 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 Sacramento to St Louis flights today

same route · Southwest Airlines
WN4783departs 09:50

If WN3755 is cancelled, this is the other Southwest Airlines nonstop flight from Sacramento to St Louis on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3755 actually runs

Pro Flight Search has tracked every published board update for WN3755 across the SMF and STL boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 12 confirmed landings · 12/12 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 WN3755 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
09-05SMF 12:25 12:51 (+26)STL 18:00 17:57 (−3)
09-04SMF 12:25 12:51 (+26)STL 18:00 17:57 (−3)
09-03SMF 12:25 12:58 (+33)STL 18:00 18:03 (+3)
09-02SMF 12:15 12:29 (+14)STL 17:50 17:36 (−14)
09-01SMF 12:15 12:35 (+20)STL 17:50 17:42 (−8)
08-31SMF 12:25 12:48 (+23)STL 18:00 18:05 (+5)
08-30SMF 12:30 12:53 (+23)STL 18:05 18:04 (−1)
08-28SMF 12:25 12:47 (+22)STL 18:00 (+0)
08-27SMF 12:25 13:01 (+36)STL 18:00 18:14 (+14)
08-26SMF 12:15 12:23 (+8)STL 17:50 17:32 (−18)
08-24SMF 12:25 12:52 (+27)STL 18:00 18:01 (+1)
08-23SMF 12:30 12:49 (+19)STL 18:05 17:59 (−6)

Aircraft

Recent tails: N8829Q, N8561Z, N299WN, N206WN.

Board clocks recorded as SMF and STL 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 — WN3755 Sacramento to St Louis on-time performance, measured from the SMF and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3755
How we measure this →