| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 01 | BUF | LAS | 16:08 | 17:40 |
Delayed
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Track > |
| Dec 31 | BUF | LAS | 14:51 | 16:24 |
Landed Late
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| Dec 25 | BUF | LAS | 14:11 | 15:52 |
Landed
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| Dec 24 | BUF | LAS | 14:22 | 16:00 |
Landed
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| Dec 17 | BUF | LAS | 14:17 | 15:55 |
Landed
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| Dec 16 | BUF | LAS | 14:07 | 15:28 |
Landed
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| Dec 15 | BUF | LAS | 15:00 | 16:19 |
Landed Late
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| Dec 11 | BUF | LAS | 14:23 | 15:55 |
Landed
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| Dec 10 | BUF | LAS | 14:28 | 15:49 |
Landed
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| Dec 09 | BUF | LAS | 14:16 | 15:53 |
Landed
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Track > |
Southwest Airlines Flight WN1142 connects Buffalo, United States to Las Vegas, United States, taking off from Buffalo Niagara International Airport BUF and landing at Las Vegas McCarran International Airport LAS.
How long is the WN1142 flight from Buffalo to Las Vegas?
The average flight time from Buffalo to Las Vegas is 4 hours and 31 minutes. The flight distance is 3189 km / 1982 miles and the average flight speed is 706 km/h / 439 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1142 Buffalo to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1142 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1142 arriving at?
Flight WN1142 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN1142 flight?
The latest flight took off on Thursday, January 1st, 2026 with the flight status being En-Route on 17:40.
How else can the flight WN1142 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1142, WN 1142, SWA 1142.
How often is flight WN1142 delayed?
On average, 40% of all WN1142 flights are delayed. The average delay is 36 minutes.
Can I get compensation for my delayed or cancelled WN1142 flight or baggage issues?
If your WN1142 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 WN1142 Flight Tracker above for more details.
Other flights departing from Buffalo BUF: AA4192, WN1446, WN1674, WN2788
Other flights arriving at Las Vegas LAS: G41556, WN2203, WN736, NK2451
All flights connecting Buffalo BUF to Las Vegas LAS.