In response to 'up up and away's' post, are you sure it was not the LS2111 flight to Salzburg which runs on saturday afternoon for TUI?
I don't think so, I got this direct from the MAN website:
Flight Times from Manchester Airport to Salzburg, W. A. Mozart Airport
Book Now
Days
Dep. Arr. Airline(s) Flight
Number Validity M T W T F S S
10:35 (T1) 13:45 Jet2 LS933 04/02/12 - 03/03/12
13:00 (T1) 16:10 Jet2 LS933 11/02/12 - 18/02/12