I was on a Hawaiian Airlines flights with FREE Starlink; game changing. You pretty much would not know it was plane internet connectivity. Was streaming HD videos flawlessly.

I did a latency test for fun and it was around 70ms.

I was on a United flight that was using Starlink to provide internet access during the flight.

It wasn't any better than the old provider. Yes, it was faster. But it cut out every few seconds. The old provider was slower but the signal never dropped.

EDIT: United's issues with Starlink are a known problem and Starlink has been working to fix them. But I suppose the Elon fanatics can't handle criticism, however mild.