WN3321Southwest Airlines · SJC → BOI
updated 1h ago
Route confirmed Southwest Airlines

WN3321 San JoseSJC · 13:25 BoiseBOI · 16:05

WN3321 by Southwest Airlines flies from San Jose (SJC) to Boise (BOI).

Right nowNext departure tomorrow Operates daily
18:15

scheduled from SJC

Typical gate push+29 minmedian posted departure
Typical arrival+1 minmedian over 5 operations
Wins back in air~28 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-30
+16 gate · −13 arrival
10-29
+29 gate · +0 arrival
10-26
+27 gate · +1 arrival
10-23
+34 gate · +20 arrival
10-22
+46 gate · +20 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 +1 min · 0 cancelled · 5 operations tracked

The route today

live boards
SJCSan JoseOn-time likelySJC delay board →
BOIBoiseOn-time likelyBOI delay board →
SJC→BOIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
47%Chance of 15+ min delay
0.5%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at SJC and BOI are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow at San Jose

Forecast

Thu 5 Nov, local date

High22°Clikely 21°C to 24°C
Low10°Clikely 9°C to 11°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Jose to Boise flights today

same route · Southwest Airlines
WN343departs 09:05
WN1096departs 10:10

If WN3321 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Boise on the same day, with scheduled departure times in SJC local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN3321 actually runs

Pro Flight Search has tracked every published board update for WN3321 across the SJC and BOI boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min late. Based on 5 confirmed landings · 3/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3321 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
10-30SJC 13:25 13:41 (+16)BOI 16:05 15:52 (−13)
10-29SJC 13:25 13:54 (+29)BOI 16:05 (+0)
10-26SJC 13:25 13:52 (+27)BOI 16:05 16:06 (+1)
10-23SJC 13:25 13:59 (+34)BOI 16:05 16:25 (+20)
10-22SJC 13:25 14:11 (+46)BOI 16:05 16:25 (+20)

Aircraft

Recent tails: N8696E, N8808Q, N9016S, N8314L.

Board clocks recorded as SJC and BOI 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: WN3321 San Jose to Boise on-time performance, measured from the SJC and BOI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3321
How we measure this →