>>1560604You're not going to show up and immediately get on a plane, retard, you have to go through security.
>If you’ve checked in online and have no bags to drop, Heathrow reckons you can get away with being at security control three hours before a long-haul flight and two hours before domestic and European flights.https://www.travelsupermarket.com/en-gb/blog/travel-advice/how-long-before-a-flight-should-i-get-to-the-airport/#:~:text=London%20Heathrow&text=Heathrow%20recommends%20arriving%20at%20the,to%20cruise%20through%20the%20terminal.
Add two hours to your drive -> fly -> drive and the train is only slightly slower.
Also, pic related you fucking faggot.