Southwest Airlines
WN1663Denver to Ontario
Southwest Airlines flight WN1663 flies from Denver (DEN) to Ontario (ONT), 1,316 km. Over August 2025 to July 2026 it usually arrives about 15 minutes late: 62% of 255 flights arrived within 15 minutes of schedule and 0.4% were cancelled (US Department of Transportation data).
On-time record, last 12 months
62%
on time (within 15 min)
20%
more than 30 min late
0.4%
cancelled
+15 min
average arrival vs schedule
Every operation of WN1663, August 2025 to July 2026: 255 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN1663
- Denver (DEN) to Ontario (ONT)57 flights
- Denver (DEN) to Tampa (TPA)50 flights
- Baltimore (BWI) to Denver (DEN)42 flights
- Washington (DCA) to Nashville (BNA)24 flights
- Wichita Eisenhower National (ICT) to Las Vegas (LAS)18 flights
- Denver (DEN) to Omaha (OMA)18 flights
- Nashville (BNA) to Phoenix Sky Harbor (PHX)18 flights
- Albuquerque (ABQ) to Phoenix Sky Harbor (PHX)10 flights
- Cleveland Hopkins (CLE) to St. Louis (STL)7 flights
- Fort Myers (RSW) to Baltimore (BWI)4 flights
Other flights from Denver to Ontario
More about Denver (DEN) and Ontario (ONT).
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