Which SEA to DEN flights have Starlink WiFi?

United Airlines has the strongest Starlink rating on the SEA–DEN route (very likely, flight UA2601). 3 airlines on this route have Starlink. Check individual flight pages for per-aircraft confirmation.

Does the SEA–DEN route have Starlink?

Each airline on this route has a Starlink rating based on its fleet data and the aircraft we have tracked. A rating is not a guarantee for a specific flight. Even on a highly rated 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 rating.

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

Search your specific flight number on StarlinkFlights (for example, "UA2601"). Our confidence engine checks the aircraft assigned to that flight against our proprietary aircraft database, giving you a Starlink rating before you board. You can also browse individual airline pages to see which operators fly Starlink-equipped aircraft most frequently.

Seattle to Denver Starlink WiFi — United Airlines 88% Likely

SEA DEN

25 flights on this route

United Airlines has the strongest Starlink rating on Seattle (SEA) to Denver (DEN) flights: very likely. Passengers booking United Airlines on this route have a strong chance of flying on a Starlink-enabled aircraft.

Reverse direction: DEN → SEA

Best-Rated Airline

United AirlinesRolling Out

UA2601 — Rating: Very likely — A319

Fleet Coverage665 of 1,575 equipped42%

Source: United's Starlink tracker, as of Oct 29, 2026

44 aircraft independently verified

All Airlines on This Route

United AirlinesRolling Out

UA1218 — B39M

Based on how many 737 MAX 9 aircraft at United Airlines have Starlink.

Likely

United AirlinesRolling Out

UA1505 — B738

Based on how many 737-800 aircraft at United Airlines have Starlink.

Likely

United AirlinesRolling Out

UA3906 — B738

Based on how many 737-800 aircraft at United Airlines have Starlink.

Possible

United AirlinesRolling Out

UA757 — A320

Based on how many A320 aircraft at United Airlines have Starlink.

Possible

Alaska AirlinesRolling Out

AS602 — B39M

Based on how many 737 MAX 9 aircraft at Alaska Airlines have Starlink.

Very unlikely

Alaska AirlinesRolling Out

AS642 — B39M

Based on how many 737 MAX 9 aircraft at Alaska Airlines have Starlink.

Very unlikely

Southwest AirlinesRolling Out

WN1513 — B738

Based on how many 737-800 aircraft at Southwest Airlines have Starlink.

Very unlikely

Alaska AirlinesRolling Out

AS682 — B39M

Based on how many 737 MAX 9 aircraft at Alaska Airlines have Starlink.

Very unlikely

Southwest AirlinesRolling Out

WN4045 — B737

We have no record of Starlink on any Southwest Airlines 737 (other variants) aircraft.

Very unlikely

Southwest AirlinesRolling Out

WN1217 — B38M