WN3747Southwest Airlines · SMF → SLC
live · 1h ago
Route confirmed Southwest Airlines

WN3747 SacramentoSMF · 20:25 Salt Lake CitySLC · 23:05

WN3747 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
23:41

arrived at SLC · 37 min late

⚖ WN3747 typically leaves +12 and lands −24. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+42+84+126 min
09-18
+58 gate · +28 arrival
09-17
+126 gate · +97 arrival
09-16
+8 gate · −24 arrival
09-15
+0 gate · −36 arrival
09-14
+4 gate · −27 arrival
09-13
+71 gate · +36 arrival
09-12
+2 gate · −32 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 −24 min · 0 cancelled · 13 operations tracked

The route today

live boards
SMFSacramentoModerate riskSMF 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
WN3746departs 08:15
WN2567departs 09:30
WN678departs 15:55

If WN3747 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 WN3747 actually runs

Pro Flight Search has tracked every published board update for WN3747 across the SMF and SLC boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 12 confirmed landings · 9/12 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 WN3747 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 20:25 21:23 (+58)SLC 23:05 23:33 (+28)
09-17SMF 20:25 22:31 (+126)SLC 23:05 00:42 (+97)
09-16SMF 19:50 19:58 (+8)SLC 22:35 22:11 (−24)
09-15SMF 19:50 (+0)SLC 22:35 21:59 (−36)
09-14SMF 20:25 20:29 (+4)SLC 23:05 22:38 (−27)
09-13SMF 20:55 22:06 (+71)SLC 23:40 00:16 (+36)
09-12SMF 18:30 18:32 (+2)SLC 21:15 20:43 (−32)
09-11SMF 20:25 21:20 (+55)SLC 23:05 23:30 (+25)
09-10SMF 20:25 20:48 (+23)SLC 23:05 22:57 (−8)
09-09SMF 19:50 20:02 (+12)SLC 22:35 22:11 (−24)
09-08SMF 19:50 19:54 (+4)SLC 22:35 22:00 (−35)
09-07SMF 20:25 21:04 (+39)SLC 23:05 23:15 (+10)
09-05SMF 18:30 18:31 (+1)SLC 21:15 20:37 (−38)

Aircraft

Recent tails: N8798Q, N8524Z, N8519R, N9012J.

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 — WN3747 Sacramento to Salt Lake City on-time performance, measured from the SMF and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3747
How we measure this →