WN3746Southwest Airlines · SMF → SLC
live · 4h ago
Route confirmed Southwest Airlines

WN3746 SacramentoSMF · 08:15 Salt Lake CitySLC · 10:50

WN3746 by Southwest Airlines flies from Sacramento (SMF) to Salt Lake City (SLC) for the Fri, Sep 18 departure.

Right nowLanded in Salt Lake City · position data
10:49

arrived at SLC · 1 min early

⚖ WN3746 typically leaves +17 and lands −7. The air wins minutes back.
Typical gate push+17 minmedian posted departure
Typical arrival−7 minmedian over 9 operations
Wins back in air~24 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-18
+17 gate · −7 arrival
09-17
+12 gate · −14 arrival
09-14
+36 gate · +11 arrival
09-12
+6 gate · −15 arrival
09-11
+34 gate · +8 arrival
09-10
+25 gate · +3 arrival
09-07
+9 gate · −14 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 −7 min · 0 cancelled · 9 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
SLCSalt Lake CityOn-time likelySLC delay board →
SMF→SLCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
0.4%Chance of cancellation
+5 minAvg hub delay right now

Conditions at SMF and SLC 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 Salt Lake City flights today

same route · Southwest Airlines
WN2567departs 09:30
WN678departs 15:55
WN3747departs 19:50

If WN3746 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to Salt Lake City 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 WN3746 actually runs

Pro Flight Search has tracked every published board update for WN3746 across the SMF and SLC boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 8 confirmed landings · 8/8 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 WN3746 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
09-18SMF 08:15 08:32 (+17)SLC 10:50 10:43 (−7)
09-17SMF 08:15 08:27 (+12)SLC 10:50 10:36 (−14)
09-14SMF 08:15 08:51 (+36)SLC 10:50 11:01 (+11)
09-12SMF 11:50 11:56 (+6)SLC 14:25 14:10 (−15)
09-11SMF 08:15 08:49 (+34)SLC 10:50 10:58 (+8)
09-10SMF 08:15 08:40 (+25)SLC 10:50 10:53 (+3)
09-07SMF 08:15 08:24 (+9)SLC 10:50 10:36 (−14)
09-05SMF 11:50 12:07 (+17)SLC 14:25 14:18 (−7)
09-04SMF 08:15 08:28 (+13)SLC 10:50 10:38 (−12)

Aircraft

Recent tails: N9003B, N8803L, N8843S, N9021F.

Board clocks recorded as SMF and SLC 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 — WN3746 Sacramento to Salt Lake City on-time performance, measured from the SMF and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3746
How we measure this →