WN4509San Jose to Seattle
Southwest Airlines flight WN4509 flies from San Jose (SJC) to Seattle Tacoma (SEA), 1,122 km. Over August 2025 to July 2026 it usually arrives about 7 minutes late: 80% of 216 flights arrived within 15 minutes of schedule and 0.5% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of WN4509, August 2025 to July 2026: 216 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4509
- San Jose (SJC) to Seattle Tacoma (SEA)57 flights
- Long Beach (LGB) to Salt Lake City (SLC)45 flights
- San Diego (SAN) to San Jose (SJC)41 flights
- Austin Bergstrom (AUS) to Phoenix Sky Harbor (PHX)32 flights
- Sacramento (SMF) to Burbank (BUR)18 flights
- Pittsburgh (PIT) to Orlando (MCO)13 flights
- Baltimore (BWI) to San Diego (SAN)8 flights
- Baltimore (BWI) to Orlando (MCO)1 flights
- Wichita Eisenhower National (ICT) to Phoenix Sky Harbor (PHX)1 flights
Other flights from San Jose to Seattle
More about San Jose (SJC) and Seattle Tacoma (SEA).
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