Tbh like it or not having an AI flight is of no use to regular international flyers coz the service is average and the price is exorbitant. BA or AA would have been useful but really, how many people from Kolkata regularly travel to those cities and vice versa and would that fill a wide body jetliner (330/777)? I'm sure if it was feasible, BA or AA would have run it. They stopped due to lack of passengers. What fuels passengers is if there are lots of MNC and Big Tech which Mumbai, Bengaluru, Delhi and Hyderabad have but Kolkata hardly has any.

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After addition of A350 on DEL-LHR route. A B777 and B787 are now available. In which I guess, the B787 is added on BLR-LGW route. Let's hope that AI should add atleast at B787 flight from LHR to CCU.

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ASR has different reality. Most of the Punjabi population are going to UK or Canada and so ASR is the case that it is a immigrant capital. If demand is high then why is BA or AA not running? BA stopped due to lack of demand I believe. AI might resume but AI is of no use to regular middle class travellers, too costly, its more costly than Emirates and service doesn't even compare to Emirates. I'd rather take CCU-Abu Dhabi-LHR Emirates than direct CCU-LHR AI. (I actually use the JFK-AUD-CCU a lot, as I'm a regular in JFK-CCU route ). Also CCU's international terminal is ancient. They gotta ramp it up. It's nowhere compared to BLR or DEL or BOM

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