Southwest Airlines
WN3945San Diego to Denver
Southwest Airlines flight WN3945 flies from San Diego (SAN) to Denver (DEN), 1,371 km. Over August 2025 to July 2026 it usually arrives about 3 minutes late: 82% of 237 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).
On-time record, last 12 months
82%
on time (within 15 min)
9%
more than 30 min late
0%
cancelled
+3 min
average arrival vs schedule
Every operation of WN3945, August 2025 to July 2026: 237 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN3945
- San Diego (SAN) to Denver (DEN)55 flights
- Pittsburgh (PIT) to St. Louis (STL)49 flights
- Oklahoma City (OKC) to Denver (DEN)46 flights
- Orlando (MCO) to Miami (MIA)31 flights
- Reno Tahoe (RNO) to San Diego (SAN)14 flights
- Miami (MIA) to Baltimore (BWI)13 flights
- Miami (MIA) to Austin Bergstrom (AUS)8 flights
- Salt Lake City (SLC) to Houston (HOU)7 flights
- Miami (MIA) to Dallas Love Field (DAL)5 flights
- Miami (MIA) to Denver (DEN)4 flights
Other flights from San Diego to Denver
More about San Diego (SAN) and Denver (DEN).
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