Jet2 also have some 737 that can be converted between passenger and cargo In normal times they'd often fly holiday makers in the morning, and freight in the af

Jet2 also have some 737 that can be converted between passenger and cargo In normal times they'd often fly holiday makers in the morning, and freight in the afternoon - takes 45mins to change over Here's one with the cargo door open but the seats in https://www.airliners.net/photo/Flyglobespan-Jet2/Boeing-737-330-QC/1041047 https://www.airliners.net/photo/Flyglobespan-Jet2/Boeing-737... There's a video showing the change over on YT somewhere