WN4997Southwest Airlines · LAX → SFO
live · 40m ago
Route confirmed Southwest Airlines

WN4997 Los AngelesLAX · 14:00 San FranciscoSFO · 15:20

WN4997 by Southwest Airlines flies from Los Angeles (LAX) to San Francisco (SFO).

Right nowNext departure tomorrow Operates daily
11:55

scheduled from LAX

The route today

live boards
LAXLos AngelesOn-time likelyLAX delay board →
SFOSan FranciscoOn-time likelySFO delay board →
LAX→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
1.1%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at LAX and SFO 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 Los Angeles

Forecast

Wed 4 Nov, local date

High23°Clikely 22°C to 24°C
Low15°Clikely 13°C to 16°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.

Tomorrow at San Francisco

Forecast

Wed 4 Nov, local date

High19°Clikely 18°C to 20°C
Low12°Clikely 11°C to 14°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 Los Angeles to San Francisco flights today

same route · Southwest Airlines
WN2503departs 06:35
WN781departs 07:00
WN3709departs 07:40
WN2279departs 10:00
WN2504departs 10:00
WN2777departs 10:10

If WN4997 is cancelled, these are the other Southwest Airlines nonstop flights from Los Angeles to San Francisco on the same day, with scheduled departure times in LAX 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 WN4997 actually runs

Pro Flight Search has tracked every published board update for WN4997 across the LAX and SFO boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +16 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4997 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
10-25LAX 14:00 14:38 (+38)SFO 15:20 15:36 (+16)

Aircraft

Recent tails: N8630B.

Board clocks recorded as LAX and SFO 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: WN4997 Los Angeles to San Francisco on-time performance, measured from the LAX and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4997
How we measure this →