Bgh5805 Plovdiv-east Midlands-newcastle

This is the first weekend of this flight so there will be nobody on the flight coming into NCL so why is it going to East Midlands first?

arrival at Newcastle
BGH5805 EAST MIDLANDS & PLOVDIV 1310 (TU-154)

Departure
BGH5806 PLOVDIV 1410 (TU-154)