Southwest Airlines

WN3979Ontario to Las Vegas

Name: Southwest Airlines WN3979 Ontario to Las Vegas: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN3979 flies from Ontario (ONT) to Las Vegas (LAS), 317 km. Over August 2025 to July 2026 it usually arrives about 8 minutes late: 77% of 304 flights arrived within 15 minutes of schedule and 1% were cancelled (US Department of Transportation data).

On-time record, last 12 months

77%

on time (within 15 min)

15%

more than 30 min late

cancelled

+8 min

average arrival vs schedule

Every operation of WN3979, August 2025 to July 2026: 304 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN3979

Ontario (ONT) to Las Vegas (LAS)64 flights
San Diego (SAN) to Sacramento (SMF)53 flights
St. Louis (STL) to San Antonio (SAT)49 flights
Raleigh-durham (RDU) to Austin Bergstrom (AUS)40 flights
Montrose CO (MTJ) to Denver (DEN)31 flights
Sacramento (SMF) to Orlando (MCO)27 flights
Houston (HOU) to New York (LGA)18 flights
Tucson (TUS) to Los Angeles (LAX)18 flights
Nashville (BNA) to Fort Myers (RSW)2 flights
Baltimore (BWI) to Buffalo Niagara (BUF)2 flights

Other flights from Ontario to Las Vegas

WN105 WN1070 WN1122 WN1137 WN1138 WN1142 WN1190 WN1316 WN1463 WN156 WN1591 WN1695

More about Ontario (ONT) and Las Vegas (LAS).

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