Southwest Airlines

WN1660Denver to Ontario

Name: Southwest Airlines WN1660 Denver to Ontario: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN1660 flies from Denver (DEN) to Ontario (ONT), 1,316 km. Over August 2025 to July 2026 it usually arrives about 3 minutes late: 79% of 382 flights arrived within 15 minutes of schedule and 1.6% were cancelled (US Department of Transportation data).

On-time record, last 12 months

79%

on time (within 15 min)

11%

more than 30 min late

1.6%

cancelled

+3 min

average arrival vs schedule

Every operation of WN1660, August 2025 to July 2026: 382 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN1660

Denver (DEN) to Ontario (ONT)58 flights
San Diego (SAN) to Las Vegas (LAS)57 flights
Baltimore (BWI) to Dallas Love Field (DAL)57 flights
Phoenix Sky Harbor (PHX) to Albuquerque (ABQ)50 flights
Nashville (BNA) to Washington (DCA)33 flights
Baltimore (BWI) to Austin Bergstrom (AUS)33 flights
Baltimore (BWI) to Windsor Locks (BDL)31 flights
Dallas Love Field (DAL) to Kansas City (MCI)13 flights
Denver (DEN) to Salt Lake City (SLC)11 flights
Indianapolis (IND) to Nashville (BNA)7 flights

Other flights from Denver to Ontario

WN106 WN1104 WN1131 WN1313 WN1353 WN1445 WN1564 WN1663 WN1708 WN1715 WN1737 UA1109

More about Denver (DEN) and Ontario (ONT).

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