WN4263: Seattle to San Jose
Southwest Airlines flight WN4263 flies from Seattle Tacoma (SEA) to San Jose (SJC), 1,122 km. Over August 2025 to July 2026 it usually arrives about 13 minutes late: 73% of 247 flights arrived within 15 minutes of schedule and 2% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of WN4263, August 2025 to July 2026: 247 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4263
- Seattle Tacoma (SEA) to San Jose (SJC)58 flights
- Denver (DEN) to Omaha (OMA)57 flights
- Detroit (DTW) to Chicago Midway (MDW)45 flights
- Chicago Midway (MDW) to Philadelphia (PHL)41 flights
- Baltimore (BWI) to Boston (BOS)31 flights
- Omaha (OMA) to Orlando (MCO)5 flights
- San Diego (SAN) to Denver (DEN)3 flights
- Omaha (OMA) to Nashville (BNA)3 flights
- Boston (BOS) to Denver (DEN)1 flights
- Nashville (BNA) to Washington (DCA)1 flights
Other flights from Seattle to San Jose
More about Seattle Tacoma (SEA) and San Jose (SJC).
Questions and answers
- Is WN4263 usually on time?
- 73% of Southwest Airlines flight WN4263's 247 flights from August 2025 to July 2026 arrived within 15 minutes of schedule, 4.9 points below the US average of 77.6%. It arrived about 13 minutes late on average.
- How often is WN4263 cancelled or badly delayed?
- 2% of WN4263's scheduled flights were cancelled from August 2025 to July 2026 (5 of 247), and 16% of the flights that operated arrived more than 30 minutes late.
- What route does WN4263 fly?
- WN4263 most often flies from Seattle Tacoma (SEA) to San Jose (SJC), 1,122 km (58 flights in the period). The same flight number also flew Denver (DEN) to Omaha (OMA), Detroit (DTW) to Chicago Midway (MDW), Chicago Midway (MDW) to Philadelphia (PHL).
- Where do these WN4263 figures come from?
- From the US Bureau of Transportation Statistics (BTS) on-time records, which cover every domestic flight by the larger US airlines. The figures cover August 2025 to July 2026 and are updated each month when new BTS data is published, about two months after the month ends. See how TripStow measures punctuality.
How does Southwest Airlines compare? Southwest Airlines' on-time record and the US airline league table.
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