Use the Heathrow Express from Paddington for the quickest rail link; it’s non-stop and reliable

https://www.scribd.com/document/1074929924/National-Rail-to-Heathrow-Routes-Transfers-and-Tickets-Explained-232993

Use the Heathrow Express from Paddington for the quickest rail link; it’s non-stop and reliable, though ticket prices are higher than tube options.