Flew to Newcastle for a conference. Outward flight was delayed one hour due to cumulative flight delays during day (it was only 11am!) - not very acceptable on a short domestic flight where good timekeeping is important. Return flight delayed 20 minutes due to Air Traffic Control delays. Pleasant and efficient cabin crew with comfortable leather seats rather let down by a rather dirty cabin on return flight (lots of crumbs etc. on seats and floor). While EasyJet still represents good value I was less impressed with them this time than on earlier flights (my previous flight with EasyJet was a year ago). Standards are definitely slipping.