WN3995Southwest Airlines · BOI → SMF
live · 2h ago
Route confirmed Southwest Airlines

WN3995 BoiseBOI · 13:55 SacramentoSMF · 14:20

WN3995 by Southwest Airlines flies from Boise (BOI) to Sacramento (SMF).

Right nowNext departure today Operates daily
14:20

scheduled from BOI

Typical gate push+10 minmedian posted departure
Typical arrival−11 minmedian over 7 operations
Wins back in air~21 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+42+85+127 min
09-22
+8 gate · −11 arrival
09-21
+8 gate · −11 arrival
09-18
+10 gate · −12 arrival
09-17
+127 gate · +106 arrival
09-14
+4 gate · −14 arrival
09-11
+40 gate · +19 arrival
09-10
+18 gate · −2 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 −11 min · 0 cancelled · 7 operations tracked

The route today

live boards
BOIBoiseOn-time likelyBOI delay board →
SMFSacramentoModerate riskSMF delay board →
BOI→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
0.3%Chance of cancellation
+5 minAvg hub delay right now

Conditions at BOI 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 Boise to Sacramento flights today

same route · Southwest Airlines
WN3040departs 07:00
WN2537departs 07:15
WN4948departs 07:30
WN400departs 07:40
WN1570departs 11:15
WN505departs 16:05

If WN3995 is cancelled, these are the other Southwest Airlines nonstop flights from Boise to Sacramento on the same day, with scheduled departure times in BOI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3995 actually runs

Pro Flight Search has tracked every published board update for WN3995 across the BOI and SMF boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min early. Based on 7 confirmed landings · 5/7 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 WN3995 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
09-22BOI 13:55 14:03 (+8)SMF 14:20 14:09 (−11)
09-21BOI 13:55 14:03 (+8)SMF 14:20 14:09 (−11)
09-18BOI 13:55 14:05 (+10)SMF 14:20 14:08 (−12)
09-17BOI 13:55 16:02 (+127)SMF 14:20 16:06 (+106)
09-14BOI 13:55 13:59 (+4)SMF 14:20 14:06 (−14)
09-11BOI 13:55 14:35 (+40)SMF 14:20 14:39 (+19)
09-10BOI 13:55 14:13 (+18)SMF 14:20 14:18 (−2)

Aircraft

Recent tails: N8535S, N8939Q, N8530W, N8644C.

Board clocks recorded as BOI 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 — WN3995 Boise to Sacramento on-time performance, measured from the BOI and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3995
How we measure this →