WN4537Southwest Airlines · SJC → LAX
live · 1h ago
Route confirmed Southwest Airlines

WN4537 San JoseSJC · 18:30 Los AngelesLAX · 19:50

WN4537 by Southwest Airlines flies from San Jose (SJC) to Los Angeles (LAX).

Right nowNext departure today Operates daily
15:55

scheduled from SJC

⚖ WN4537 typically leaves +33 and lands +19. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-11
+73 gate · +41 arrival
09-10
+72 gate · +45 arrival
09-09
+6 gate · −23 arrival
09-08
+17 gate · −8 arrival
09-07
+48 gate · +19 arrival
09-04
+33 gate · +9 arrival
09-03
+61 gate · +34 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 +19 min · 0 cancelled · 10 operations tracked

The route today

live boards
SJCSan JoseOn-time likelySJC delay board →
LAXLos AngelesOn-time likelyLAX delay board →
SJC→LAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.3%Chance of cancellation
+6 minAvg hub delay right now

Conditions at SJC and LAX 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 Los Angeles flights today

same route · Southwest Airlines
WN3596departs 06:50
WN2437departs 07:15
WN2331departs 09:25
WN2347departs 09:35
WN3490departs 10:05
WN2870departs 10:45

If WN4537 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Los Angeles 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 WN4537 actually runs

Pro Flight Search has tracked every published board update for WN4537 across the SJC and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min late. Based on 10 confirmed landings · 5/10 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 WN4537 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
09-11SJC 18:30 19:43 (+73)LAX 19:50 20:31 (+41)
09-10SJC 18:30 19:42 (+72)LAX 19:50 20:35 (+45)
09-09SJC 13:30 13:36 (+6)LAX 14:50 14:27 (−23)
09-08SJC 13:30 13:47 (+17)LAX 14:50 14:42 (−8)
09-07SJC 18:30 19:18 (+48)LAX 19:50 20:09 (+19)
09-04SJC 18:30 19:03 (+33)LAX 19:50 19:59 (+9)
09-03SJC 18:30 19:31 (+61)LAX 19:50 20:24 (+34)
09-02SJC 13:30 13:38 (+8)LAX 14:50 14:25 (−25)
09-01SJC 13:30 13:36 (+6)LAX 14:50 14:32 (−18)
08-31SJC 18:30LAX 19:50 21:47 (+117)

Aircraft

Recent tails: N8970Q, N8570W, N454WN, N232WN.

Board clocks recorded as SJC and LAX 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 — WN4537 San Jose to Los Angeles on-time performance, measured from the SJC and LAX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4537
How we measure this →