WN4315 Flight Status Southwest Airlines: Ontario to Las Vegas (SWA4315)

WN 4315 Ontario to Las Vegas Flight Status

Not scheduled today. Latest flight: September 28th, 2026 ; recent history is in the table below.

WN 4315 Flight Status & Schedule Southwest Airlines Ontario to Las Vegas

Date From To Departure Arrival Status Details
Sep 28 ONT LAS 19:27 20:09 Delayed Track >
Sep 25 ONT LAS 18:12 18:53 Landed Track >
Sep 24 ONT LAS 18:50 19:31 Landed Late Track >
Sep 21 ONT LAS 18:09 18:45 Landed Track >
Sep 18 ONT LAS 18:51 19:33 Landed Late Track >
Sep 17 ONT LAS 19:17 19:59 Delayed Track >
Sep 14 ONT LAS 18:27 19:07 Landed Late Track >
Sep 11 ONT LAS 18:29 19:13 Landed Late Track >
Sep 10 ONT LAS 17:49 18:33 Landed Track >
Sep 07 ONT LAS 17:46 18:26 Landed Track >

Southwest Airlines' Ontario–Las Vegas flight covers 317 km (197 mi). With 1 h 5 min in the timetable and a usual flight time of about 40 min, it often makes up time. It is not flying today; the last flight was scheduled on 28 September 2026.

< All Ontario ONT Departures All Las Vegas LAS Arrivals >

About WN 4315

Southwest Airlines Flight WN4315 connects Ontario, United States to Las Vegas, United States, taking off from Ontario International Airport ONT and landing at Las Vegas McCarran International Airport LAS.

Route
Ontario International Airport ONT to Las Vegas McCarran International Airport LAS
Distance
317 km (197 mi)
Typical flight time
40 min
On time
4 of the last 8
Average delay when late
31 min
Usually departs from
Terminal 4

WN 4315 FAQ

How long is the WN4315 flight from Ontario to Las Vegas?
The timetable allows 1 h 5 min. Ontario to Las Vegas is 317 km (197 mi).
How often is WN4315 from Ontario to Las Vegas late?
4 of the last 8 flights arrived 15 or more minutes late; when late, by 31 minutes on average.
When was the latest WN4315 flight from Ontario to Las Vegas?
The latest WN4315 was the 17:45 (local time) departure from Ontario on 25 September 2026; it landed 3 minutes late.
Which terminal does WN4315 use?
It usually leaves from Terminal 4 at Ontario International Airport (ONT) and arrives at Terminal 1 at Las Vegas McCarran International Airport (LAS). Check the flight card above for today's terminal and gate.
What other flight numbers does WN4315 have?
Also listed as SWA4315 (Southwest Airlines' ICAO code) and WN 4315.

WN4315 and Ontario ONT to Las Vegas LAS Flights

Other flights departing from Ontario ONT: WN2119, OO3744, AS1705, WN2188

Other flights arriving at Las Vegas LAS: AS1362, WN4161, WN527

All flights connecting Ontario ONT to Las Vegas LAS.