G-CELI - First registered to Lufthansa in 1986, wow never knew Jet2's aircraft are of this vintage!
http://www.airfleets.net/ficheapp/plane-b737-23526.htm
A 31 year old aircraft operating for a low cost airline, and which will no doubt have a very high daily utilisation at this time of year, are two combinations that don't go well together... Got to give it to Jet2 they really do know how flog dead horse!