Which SEA to SJC flights have Starlink WiFi?

Southwest Airlines has the highest Starlink coverage on the SEA–SJC route at 4% fleet coverage (flight WN3493). 2 airlines on this route have Starlink. Check individual flight pages for per-aircraft confirmation.

Does the SEA–SJC route have Starlink?

Route-level Starlink coverage shows the percentage of an airline's fleet equipped with Starlink — not a guarantee for a specific flight. Even on a high-coverage route, the actual aircraft assigned on the day of travel determines whether Starlink is on board. Search by specific flight number on StarlinkFlights for a per-flight confidence score.

How do I find a Starlink flight from SEA to SJC?

Search your specific flight number on StarlinkFlights (for example, "WN3493"). Our confidence engine checks the aircraft assigned to that flight against our proprietary aircraft database, giving you a probability score before you board. You can also browse individual airline pages to see which operators fly Starlink-equipped aircraft most frequently.

Seattle to San Jose Starlink WiFi — Southwest Airlines 4% Likely

SEA SJC

18 flights on this route

Southwest Airlines is currently rolling out Starlink WiFi on its fleet. Coverage on the Seattle–San Jose route is expected to grow as more aircraft are equipped — check back or set an alert below.

Reverse direction: SJC → SEA

Highest Fleet Coverage

Southwest AirlinesRolling Out

WN3493 — Fleet coverage: 4% — B738

Fleet Coverage8 of 817 equipped1.0%

All Airlines on This Route

Southwest AirlinesRolling Out

No aircraft observed on this route. Score reflects the fleet-wide rate for the recorded aircraft type B738: 3.7%.

Southwest AirlinesRolling Out

WN3760 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN3810 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN961 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Alaska AirlinesRolling Out

AS761 — B739

No route-specific aircraft evidence needed: B739 is an operator-wide claim covering every B739 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN3063 — B38M

No aircraft observed on this route. Score reflects the fleet-wide rate for the recorded aircraft type B38M: 0.3%.

Very Unlikely

Alaska AirlinesRolling Out

AS521 — B39M

No route-specific aircraft evidence needed: B39M is an operator-wide claim covering every B39M aircraft in the fleet (0.0%).

Very Unlikely

Alaska AirlinesRolling Out

AS657 — B739

No route-specific aircraft evidence needed: B739 is an operator-wide claim covering every B739 aircraft in the fleet (0.0%).

Very Unlikely

Alaska AirlinesRolling Out

AS1341 — B738

No route-specific aircraft evidence needed: B738 is an operator-wide claim covering every B738 aircraft in the fleet (0.0%).

Very Unlikely

Alaska AirlinesRolling Out

AS582 — B738

No route-specific aircraft evidence needed: B738 is an operator-wide claim covering every B738 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN1338 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Alaska AirlinesRolling Out

AS1303 — B739

No route-specific aircraft evidence needed: B739 is an operator-wide claim covering every B739 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN3568 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN2329 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN1261 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN4423 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN2169 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Southwest AirlinesRolling Out

WN2868 — B737

No route-specific aircraft evidence needed: B737 is an operator-wide claim covering every B737 aircraft in the fleet (0.0%).

Very Unlikely

Get notified when this route's Starlink probability changes

No spam. One email when coverage on SEA→SJC updates.

📱

Landing in United States?

Local eSIM from esimzon. Instant activation, no contracts, works before you land.

Get an eSIM →

Affiliate link — we may earn a commission at no cost to you.