Starlink Flights
NewsBlog
Speed Test
Starlink Flights
Test your Starlink speed
News
Blog

Product

  • Search Flights
  • All Airlines
  • All Starlink Airlines
  • How to Check WiFi
  • WiFi Provider Comparison
  • Live Sightings
  • Starlink by Country
  • Report Sighting

Company

  • About
  • Contact

Legal

  • Privacy Policy

Guides

  • Daily Briefing
  • Best Travel Credit Cards
  • Best VPN for Inflight WiFi

© 2026 Starlink Flights. Not affiliated with SpaceX or Starlink.

Data sourced from airline press releases, aviation databases, and community reports.

Airline logos are trademarks of their respective owners.

routes dataairlines export
Home/Airlines/SEA–SFO
SEASFO

20 flights on this route

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

Reverse direction: SFO → SEA

Best-Rated Airline

Alaska AirlinesRolling Out

OO9799 — Rating: Very likely — E75L

Fleet Coverage151 of 400 equipped38%

18 aircraft independently verified

All Airlines on This Route

Alaska AirlinesRolling Out

OO9799 — E75L

This flight number belongs to another carrier, so we don't rate it here.

Partner flight, not scored
Alaska AirlinesRolling Out

— — E75L

Our records show Starlink on all of Alaska Airlines' E175 aircraft.

Very likely
United AirlinesRolling Out

UA5676 — E75L

Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route.

Likely
United AirlinesRolling Out

UA737 — B738

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

Possible
United AirlinesRolling Out

UA499 — A320

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

Very unlikely
Alaska AirlinesRolling Out

AS655 — B739

Based on how many 737-900 aircraft at Alaska Airlines have Starlink.

Very unlikely
Alaska AirlinesRolling Out

AS411 — B738

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

Very unlikely
Alaska AirlinesRolling Out

AS688 — B39M

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

Very unlikely
Alaska AirlinesRolling Out

AS725 — B739

Based on how many 737-900 aircraft at Alaska Airlines have Starlink.

Very unlikely
Alaska AirlinesRolling Out

AS1385 — B739

Based on how many 737-900 aircraft at Alaska Airlines have Starlink.

Very unlikely
Alaska AirlinesRolling Out

AS680 — B738

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

Very unlikely
Alaska AirlinesRolling Out

AS528 — B738

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

Very unlikely
Alaska AirlinesRolling Out

AS590 — B739

Based on how many 737-900 aircraft at Alaska Airlines have Starlink.

Very unlikely
United AirlinesRolling Out

UA1482 — A319

We have no record of Starlink on any United Airlines A319 aircraft.

Very unlikely
Alaska AirlinesRolling Out

AS9805 — B39M

We don't have enough evidence to rate this route yet.

Unknown
United AirlinesRolling Out

UA436 — A320

We don't have enough evidence to rate this route yet.

Unknown
United AirlinesRolling Out

UA1238 — A320

We don't have enough evidence to rate this route yet.

Unknown
United AirlinesRolling Out

UA2367 — A320

We don't have enough evidence to rate this route yet.

Unknown
United AirlinesRolling Out

UA1424 — A319

We don't have enough evidence to rate this route yet.

Unknown
United AirlinesRolling Out

UA611 — A319

We don't have enough evidence to rate this route yet.

Unknown

Get notified when this route's Starlink rating changes

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

Flying with Starlink WiFi?

Your connection isn't secured by default

Starlink inflight WiFi is fast but public. Anyone on the same network can see your traffic. NordVPN encrypts everything in one tap.

Get NordVPN →

Comparing VPNs for inflight use? Read our guide →

Disconnect your VPN briefly for speed tests, then reconnect.

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

📱

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.