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WN3876 Flight Status Southwest Airlines: Oakland to Ontario (SWA3876)

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WN 3876 Oakland to Ontario Flight Status

Southwest Airlines Flight WN3876 from Oakland International Airport OAK to Ontario International Airport ONT is not scheduled for today July 19th, 2026.
The last time the flight was scheduled was on January 3rd, 2026.
Check the table below for WN3876's most recent flight history:

WN 3876 Flight Status & Schedule

Date Departure Arrival Status
Jan 03 16:24 17:20
Landed
 Track >
Dec 27 16:38 17:34
Landed
 Track >
Dec 20 17:09 18:03
Landed Late
 Track >
Nov 29 17:38 18:37
Delayed
 Track >
Nov 22 17:08 18:04
Landed Late
 Track >
< All OAK Departures All ONT Arrivals >

Southwest Airlines WN 3876 Oakland to Ontario Flight Information

Southwest Airlines Flight WN3876 connects Oakland, United States to Ontario, United States, taking off from Oakland International Airport OAK and landing at Ontario International Airport ONT.

How long is the WN3876 flight from Oakland to Ontario?

The average flight time from Oakland to Ontario is 56 minutes. The flight distance is 582 km / 362 miles and the average flight speed is 622 km/h / 387 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3876 Oakland to Ontario?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3876 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3876 arriving at?

Flight WN3876 arrives at Ontario International Airport (ONT) Terminal 4.

When was the latest WN3876 flight?

The latest flight took off on Sunday, January 4th, 2026 with the flight status being Landed on 17:20.

How else can the flight WN3876 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3876, WN 3876, SWA 3876.

How often is flight WN3876 delayed?

On average, 60% of all WN3876 flights are delayed. The average delay is 34 minutes.

Can I get compensation for my delayed or cancelled WN3876 flight or baggage issues?

If your WN3876 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our WN3876 Flight Tracker above for more details.

WN3876 and Oakland OAK to Ontario ONT Flights

Other flights departing from Oakland OAK: WN1414, XE657, WN3908, WN1226

Other flights arriving at Ontario ONT: WN1242, DL3834, UA1973, WN4373

All flights connecting Oakland OAK to Ontario ONT.

WN3876 Southwest Airlines Flight: Oakland to Ontario Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: N41285 NT374 NT835 RJ6201 9C7586 TK6915 5E2307 XP9011 XP9887 XP9885
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.