Port Blair, Mar 18: The summer schedule of Air India Limited is being slightly changed w.e.f Mar 25, 2012, Accordingly, flight number AI 549 will depart from Chennai at 5 am to arrive here from 7.10 am. On its way back, AI 550 will depart at 7.55 am and reach Chennai at 10.45 am. Similarly, flight number AI 787 will depart from Kolkata at 5.30 am an arrive here at 7.35 am. On its way back, AI 788 will depart at 8.15 am and reach Kolkata at 10.20 am. However, there is no change of operation of AI 9603/9604 for the sector Delhi/Bhubneshwar/Port Blair/Bhubneshwar/ Delhi, it is learnt.