How long is the WN3143 flight?

The timetable allows 1 h 20 min. Ontario to Oakland is 582 km (362 mi).

Which terminal does WN3143 use?

It usually leaves from Terminal 4 at Ontario International Airport (ONT) and arrives at Terminal 2 at Oakland International Airport (OAK). Check the flight card above for today's terminal and gate.

What other flight numbers does WN3143 have?

Also listed as SWA3143 (Southwest Airlines' ICAO code) and WN 3143.

WN3143 Flight Status Southwest Airlines: Ontario to Oakland (SWA3143)

Are you looking for the November 5th, 2026 WN 3143 New Orleans to Austin flight? Go to our WN3143 New Orleans to Austin Flight Status page >

WN 3143 Ontario to Oakland Flight Status

Not scheduled today (November 5th, 2026). Latest flight: May 31st, 2026 ; recent history is in the table below.

WN 3143 Flight Status & Schedule Southwest Airlines Ontario to Oakland

Date	From	To	Departure	Arrival	Status	Details
May 31	ONT	OAK	21:26	22:21	Landed	Track >
May 24	ONT	OAK	18:15	19:11	Landed	Track >
May 17	ONT	OAK	22:34	23:35	Delayed	Track >
May 10	ONT	OAK	21:41	22:34	Landed	Track >
May 03	ONT	OAK	22:53	00:07	Unknown	Track >
Apr 26	ONT	OAK	21:50	22:47	Landed	Track >
Apr 19	ONT	OAK	21:19	22:10	Landed	Track >
Apr 12	ONT	OAK	21:32	22:32	Landed	Track >

Southwest Airlines operates WN 3143 from Ontario to Oakland, a 582 km (362 mi) trip. With 1 h 20 min in the timetable and a usual flight time of about 55 min, it often makes up time. It is not flying today; the last flight, on 31 May 2026, landed on time.

< All Ontario ONT Departures All Oakland OAK Arrivals >

About WN 3143

Route: Ontario International Airport ONT to Oakland International Airport OAK
Distance: 582 km (362 mi)
Typical flight time: 55 min
On time: 6 of the last 6
Usually departs from: Terminal 4

WN 3143 FAQ

How long is the WN3143 flight?: The timetable allows 1 h 20 min. Ontario to Oakland is 582 km (362 mi).
How often is WN3143 late?: None of the last 6 flights arrived 15 or more minutes late.
Which terminal does WN3143 use?: It usually leaves from Terminal 4 at Ontario International Airport (ONT) and arrives at Terminal 2 at Oakland International Airport (OAK). Check the flight card above for today's terminal and gate.
What other flight numbers does WN3143 have?: Also listed as SWA3143 (Southwest Airlines' ICAO code) and WN 3143.

WN3143 and Ontario ONT to Oakland OAK Flights

Other flights departing from Ontario ONT: AS2340, WN3078, WN3674, WN4576

Other flights arriving at Oakland OAK: WN1969, WN1499, WN2339, WN536

All flights connecting Ontario ONT to Oakland OAK.