Which SJC to SEA flights have Starlink WiFi?

Southwest Airlines has the highest Starlink coverage on the SJC–SEA route at 4% fleet coverage (flight WN4045). 2 airlines on this route have Starlink. Check individual flight pages for per-aircraft confirmation.

Does the SJC–SEA 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 SJC to SEA?

Search your specific flight number on StarlinkFlights (for example, "WN4045"). 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.

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

SJC SEA

20 flights on this route

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

Reverse direction: SEA → SJC

Highest Fleet Coverage

Southwest AirlinesRolling Out

WN4045 — 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

WN1256 — B738

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

Very Unlikely

Southwest AirlinesRolling Out

WN4660 — 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

AS583 — 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

AS703 — 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

AS1304 — 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

AS523 — 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

WN1311 — 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

WN862 — B38M

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

Very Unlikely

Southwest AirlinesRolling Out

WN3628 — 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

AS745 — 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

AS157 — 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

AS762 — 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

AS527 — 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

WN1983 — 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

WN1792 — B38M

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

Very Unlikely

Southwest AirlinesRolling Out

WN3496 — 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

WN879 — 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

AS1311 — B39M

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

Very Unlikely

Southwest AirlinesRolling Out

WN1740 — 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

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