Southwest Airlines
WN4151San Diego to Denver
Southwest Airlines flight WN4151 flies from San Diego (SAN) to Denver (DEN), 1,371 km. Over November 2025 to July 2026 it usually arrives about 15 minutes late: 65% of 163 flights arrived within 15 minutes of schedule and 0.6% were cancelled (US Department of Transportation data).
On-time record, last 12 months
65%
on time (within 15 min)
24%
more than 30 min late
0.6%
cancelled
+15 min
average arrival vs schedule
Every operation of WN4151, November 2025 to July 2026: 163 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4151
- San Diego (SAN) to Denver (DEN)50 flights
- Phoenix Sky Harbor (PHX) to St. Louis (STL)43 flights
- Chicago O'Hare (ORD) to Phoenix Sky Harbor (PHX)32 flights
- Phoenix Sky Harbor (PHX) to Oakland (OAK)15 flights
- Phoenix Sky Harbor (PHX) to San Diego (SAN)8 flights
- Chicago Midway (MDW) to Fort Myers (RSW)7 flights
- Phoenix Sky Harbor (PHX) to Portland (PDX)5 flights
- Nashville (BNA) to Las Vegas (LAS)1 flights
- Chicago Midway (MDW) to Atlanta (ATL)1 flights
- Houston (HOU) to St. Louis (STL)1 flights
Other flights from San Diego to Denver
More about San Diego (SAN) and Denver (DEN).
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