Hi, yes it looks just like the Racetrack UAP / Starlink flares that pilots have been seeing for the last few years. If you're able to share your flight number (or rough location) and the original video file (or exact time of the video) we can probably recreate the exact patterns of the lights in the Sitrec software.

Edit, ah the time is here:

Position: Not too far from LFBP

https://uk.flightaware.com/live/airport/LFBP

So possibly this Ryanair flight:

Edit- i got the flight wrong. Destination is Toulouse LFBO

... so the aircraft has to be EI-GJT.