WN3640Southwest Airlines · SJC → SNA
live · 2h ago
Route confirmed Southwest Airlines

WN3640 San JoseSJC · 18:30 Santa AnaSNA · 19:50

WN3640 by Southwest Airlines flies from San Jose (SJC) to Santa Ana (SNA).

Right nowNext departure today Operates daily
18:30

scheduled from SJC

⚖ WN3640 typically leaves +23 and lands +0. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-14
+23 gate · +0 arrival
09-13
+43 gate · +22 arrival
09-11
+49 gate · +27 arrival
09-10
+4 gate · −19 arrival
09-09
+1 gate · −20 arrival
09-08
+34 gate · +13 arrival
09-07
+23 gate · +0 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 +0 min · 0 cancelled · 12 operations tracked

The route today

live boards
SJCSan JoseModerate riskSJC delay board →
SNASanta AnaHigh riskSNA delay board →
SJC→SNAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.6%Chance of cancellation
+6 minAvg hub delay right now

Conditions at SJC and SNA 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 Jose to Santa Ana flights today

same route · Southwest Airlines
WN2884departs 06:45
WN3632departs 07:15
WN346departs 07:20
WN3141departs 08:00
WN3633departs 08:15
WN1362departs 09:30

If WN3640 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Santa Ana on the same day, with scheduled departure times in SJC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3640 actually runs

Pro Flight Search has tracked every published board update for WN3640 across the SJC and SNA boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 12 confirmed landings · 8/12 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 WN3640 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
09-14SJC 18:30 18:53 (+23)SNA 19:50 (+0)
09-13SJC 20:45 21:28 (+43)SNA 22:05 22:27 (+22)
09-11SJC 18:30 19:19 (+49)SNA 19:50 20:17 (+27)
09-10SJC 18:30 18:34 (+4)SNA 19:50 19:31 (−19)
09-09SJC 19:45 19:46 (+1)SNA 21:05 20:45 (−20)
09-08SJC 19:45 20:19 (+34)SNA 21:05 21:18 (+13)
09-07SJC 18:30 18:53 (+23)SNA 19:50 (+0)
09-04SJC 18:30 19:49 (+79)SNA 19:50 20:49 (+59)
09-03SJC 18:30 19:27 (+57)SNA 19:50 20:24 (+34)
09-02SJC 19:45 19:48 (+3)SNA 21:05 20:45 (−20)
09-01SJC 19:45 19:46 (+1)SNA 21:05 20:47 (−18)
08-31SJC 18:30 18:36 (+6)SNA 19:50 19:32 (−18)

Aircraft

Recent tails: N8778Q, N878Q, N8816Q, N1806U.

Board clocks recorded as SJC and SNA 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 — WN3640 San Jose to Santa Ana on-time performance, measured from the SJC and SNA airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3640
How we measure this →