| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 01 | SMF | SNA | 08:42 | 09:53 |
Landed
|
Track > |
| May 31 | SMF | SNA | 07:49 | 08:54 |
Landed
|
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| May 30 | SMF | SNA | 13:28 | 14:32 |
Landed Late
|
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| May 29 | SMF | SNA | 08:43 | 09:49 |
Landed
|
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| May 28 | SMF | SNA | 09:05 | 10:14 |
Landed
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| May 25 | SMF | SNA | 08:41 | 09:51 |
Landed
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| May 24 | SMF | SNA | 08:54 | 10:02 |
Landed
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| May 23 | SMF | SNA | 12:45 | 13:52 |
Landed
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| May 22 | SMF | SNA | 08:46 | 09:54 |
Landed
|
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| May 21 | SMF | SNA | 08:49 | 09:57 |
Landed
|
Track > |
Southwest Airlines Flight WN4378 connects Sacramento, United States to Orange County, United States, taking off from Sacramento International Airport SMF and landing at Orange County John Wayne Airport SNA.
How long is the WN4378 flight from Sacramento to Orange County?
The average flight time from Sacramento to Orange County is 1 hour and 7 minutes. The flight distance is 650 km / 404 miles and the average flight speed is 578 km/h / 359 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4378 Sacramento to Orange County?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4378 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4378 arriving at?
Flight WN4378 arrives at Orange County John Wayne Airport (SNA) Terminal C.
When was the latest WN4378 flight?
The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 09:53.
How else can the flight WN4378 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4378, WN 4378, SWA 4378.
How often is flight WN4378 delayed?
On average, 20% of all WN4378 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled WN4378 flight or baggage issues?
If your WN4378 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 WN4378 Flight Tracker above for more details.
Other flights departing from Sacramento SMF: WN4335, WN4318, WN1954, WN4226
Other flights arriving at Orange County SNA: WN3852, DL3685, WN431, WN4272
All flights connecting Sacramento SMF to Orange County SNA.