WN3690Southwest Airlines · SMF → BWI
live · 2h ago
Route confirmed Southwest Airlines

WN3690 SacramentoSMF · 22:40 BaltimoreBWI · 06:40

WN3690 by Southwest Airlines flies from Sacramento (SMF) to Baltimore (BWI).

Right nowNext departure today Operates daily
20:30

scheduled from SMF

⚖ WN3690 typically leaves +11 and lands −16. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-07
+3 gate · −7 arrival
09-05
+8 gate · −22 arrival
09-04
+9 gate · −18 arrival
09-03
+34 gate · +0 arrival
09-02
+11 gate · −29 arrival
09-01
+10 gate · −26 arrival
08-31
+3 gate · −29 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 −16 min · 0 cancelled · 14 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
BWIBaltimoreOn-time likelyBWI delay board →
SMF→BWIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
0.5%Chance of cancellation
+6 minAvg hub delay right now

Conditions at SMF and BWI 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 Baltimore flights today

same route · Southwest Airlines
WN3176departs 09:55

If WN3690 is cancelled, this is the other Southwest Airlines nonstop flight from Sacramento to Baltimore 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 WN3690 actually runs

Pro Flight Search has tracked every published board update for WN3690 across the SMF and BWI boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 14 confirmed landings · 14/14 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 WN3690 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
09-07SMF 22:40 22:43 (+3)BWI 06:40 06:33 (−7)
09-05SMF 22:40 22:48 (+8)BWI 06:40 06:18 (−22)
09-04SMF 22:40 22:49 (+9)BWI 06:40 06:22 (−18)
09-03SMF 22:40 23:14 (+34)BWI 06:40 (+0)
09-02SMF 22:40 22:51 (+11)BWI 06:40 06:11 (−29)
09-01SMF 22:40 22:50 (+10)BWI 06:40 06:14 (−26)
08-31SMF 22:40 22:43 (+3)BWI 06:40 06:11 (−29)
08-30SMF 22:40 23:02 (+22)BWI 06:40 06:33 (−7)
08-29SMF 22:40 22:55 (+15)BWI 06:40 06:24 (−16)
08-28SMF 22:40 23:01 (+21)BWI 06:40 06:32 (−8)
08-27SMF 22:40 23:08 (+28)BWI 06:40 06:42 (+2)
08-26SMF 22:40 22:49 (+9)BWI 06:40 06:19 (−21)
08-25SMF 22:40 22:46 (+6)BWI 06:40 06:15 (−25)
08-24SMF 22:40 22:54 (+14)BWI 06:40 06:26 (−14)

Aircraft

Recent tails: N937WN, N7857B, N269WN, N950WN.

Board clocks recorded as SMF and BWI 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 — WN3690 Sacramento to Baltimore on-time performance, measured from the SMF and BWI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3690
How we measure this →