| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 20 | SMF | LAS | 13:21 | 14:24 |
En-Route
|
Track > |
| Jul 17 | SMF | LAS | 12:38 | 13:45 |
Landed
|
Track > |
| Jul 16 | SMF | LAS | 12:42 | 13:48 |
Landed
|
Track > |
| Jul 13 | SMF | LAS | 13:07 | 14:11 |
Landed
|
Track > |
| Jul 10 | SMF | LAS | 13:18 | 14:17 |
Landed Late
|
Track > |
| Jul 09 | SMF | LAS | 12:36 | 13:35 |
Landed
|
Track > |
| Jul 06 | SMF | LAS | 12:42 | 13:44 |
Landed
|
Track > |
| Jul 03 | SMF | LAS | 12:28 | 13:27 |
Landed
|
Track > |
| Jul 02 | SMF | LAS | 12:44 | 13:43 |
Landed
|
Track > |
| Jun 29 | SMF | LAS | 12:57 | 14:01 |
Landed
|
Track > |
Southwest Airlines Flight WN4278 connects Sacramento, United States to Las Vegas, United States, taking off from Sacramento International Airport SMF and landing at Las Vegas McCarran International Airport LAS.
How long is the WN4278 flight from Sacramento to Las Vegas?
The average flight time from Sacramento to Las Vegas is 1 hour and 2 minutes. The flight distance is 639 km / 397 miles and the average flight speed is 617 km/h / 384 mph.
How many WN4278 flights are operated per week?
3 flights per week. The flight WN4278 is operated on Monday, Thursday and Friday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4278 Sacramento to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4278 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4278 arriving at?
Flight WN4278 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN4278 flight?
The latest flight took off on Monday, July 20th, 2026 with the flight status being En-Route on 14:24.
How else can the flight WN4278 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4278, WN 4278, SWA 4278.
How often is flight WN4278 delayed?
On average, 30% of all WN4278 flights are delayed. The average delay is 14 minutes.
Can I get compensation for my delayed or cancelled WN4278 flight or baggage issues?
If your WN4278 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 WN4278 Flight Tracker above for more details.
Other flights departing from Sacramento SMF: DL904, WN2537, AA2630, AS1476
Other flights arriving at Las Vegas LAS: MX653, WN2183, F92575, MX619
All flights connecting Sacramento SMF to Las Vegas LAS.