This is for everyone taking DEL-LHR-YYZ route. I would strongly advise you to choose a connecting flight with layover at Healthrow at least 2 hours. It’s not so much about changing gates at Terminal 5 but going through security at Heathrow is a huge pain. It’s so slow and it’s worrying as heck.
Full guide
DEL–LHR–YYZ via Heathrow T5: leave 2+ hours, skip cabin liquids, and the transit-visa rule
Update: if you have a short layover try not to pack any liquids in cabin luggage. Heathrow T5 has 3 gates. A is in a separate building and B&C is in a different building, major issue would be going through security after changing gates which takes a da… See more
Henna Uppal my flight arrived at Gate B and I had to go to Gate A, the total time in changing gates was only 10 to 15 minutes. As I mentioned before, the problem is the airport security at Heathrow that you have to cross before entering the gate. You … See more
Charanjeet Pruthi was there any delays due to cargo switch? Was the connecting flight right on time as well?
Henna Uppal flight was on time but it got delayed. Don’t pack liquids even below 100 ml in cabin luggage.
S Singh Bhullar transit visa is not required if not changing the terminal.
Is transit visa needed in such connecting flights?