WN1728Southwest Airlines · SAN → SMF
live · 58m ago
Route confirmed Southwest Airlines

WN1728 San DiegoSAN · 11:30 SacramentoSMF · 13:15

WN1728 by Southwest Airlines flies from San Diego (SAN) to Sacramento (SMF) for the Tue, Sep 8 departure.

Right nowOn Time · gate 112 · as of 07:37
11:30

departs SAN · on schedule

Typical gate push+1 minmedian posted departure
Typical arrival−12 minmedian over 7 operations
Wins back in air~13 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
09-08
+26 arrival
09-06
−5 gate · −37 arrival
09-05
−3 gate · −17 arrival
09-02
−7 gate · −19 arrival
09-01
+48 gate · +26 arrival
08-30
+1 gate · −11 arrival
08-29
+5 gate · −12 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 −12 min · 0 cancelled · 7 operations tracked

The route today

live boards
SANSan DiegoOn-time likelySAN delay board →
SMFSacramentoOn-time likelySMF delay board →
SAN→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
53%Chance of 15+ min delay
0.5%Chance of cancellation
+17 minAvg hub delay right now

Conditions at SAN and SMF 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 San Diego to Sacramento flights today

same route · Southwest Airlines
WN3465departs 07:00
WN1441departs 07:25
WN3470departs 07:50
WN938departs 07:50
WN4565departs 08:00
WN1034departs 08:10

If WN1728 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Sacramento on the same day, with scheduled departure times in SAN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN1728 actually runs

Pro Flight Search has tracked every published board update for WN1728 across the SAN and SMF boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 6 confirmed landings · 4/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN1728 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
09-08SAN 11:30SMF 13:15 13:41 (+26)
09-06SAN 11:10 11:05 (−5)SMF 12:55 12:18 (−37)
09-05SAN 12:05 12:02 (−3)SMF 13:45 13:28 (−17)
09-02SAN 11:30 11:23 (−7)SMF 13:15 12:56 (−19)
09-01SAN 11:30 12:18 (+48)SMF 13:15 13:41 (+26)
08-30SAN 11:20 11:21 (+1)SMF 13:05 12:54 (−11)
08-29SAN 12:05 12:10 (+5)SMF 13:45 13:33 (−12)

Aircraft

Recent tails: N8967Q, N8540V, N9011H, N8519R.

Board clocks recorded as SAN and SMF 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 — WN1728 San Diego to Sacramento on-time performance, measured from the SAN and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1728
How we measure this →