CHENNAI SF EXP (22640) runs from Alleppey (ALLP) to Chennai Central (MAS). It has classes first ac (1A), second ac (2A), third ac (3A) and sleeper (SL). 22640 seat availability and train info is available on Trainman. It is a superfast train and covers a distance of 757 kms in 24.0 hours. This train runs daily. It has 23 halts. This train runs with an ICF-CBC Rake and does not have a pantry car. Final chart for 22640 is prepared usually 3-4 hours before train departure time or a day before if train departs early morning. You can check the live train status of train CHENNAI SF EXP (22640) by clicking on the link below.