I will have 2 tickets (DFW-LHR on AA which lands in T3) and LHR-BOM (Jet Airways which takes off from T4). Since these are separate AA e-locators (one paid, one miles ticket), AA may not check my bags through to BOM. Hence, could someone please tell me how to get from T3 arrivals to T4 departures and how much time it could take assuming I have to clear immigration in LHR, pick up bags, clear customs and travel from T3 arrivals to T4 departures.
I have the miles ticket from LHR-BOM but have yet to buy the DFW-LHR leg and so would like to plan the right amount of transit time given the circumstances.
Would appreciate guidance.