Here is the link to Transat's luggage info:
http://www.airtransat.ca/en/Info/baggage.aspx?ExitID=23&ContentType=voyageur
**if you have questions, call John T.
Flight info
Leaving Montreal: June 23 - 20:30 TS484
Arrival in Vienna: JUne 24 -10:40 Terminal T1A
Leaving Vienna: July 15 - 12:35 TS485
Arrival in Montreal: July 15
http://www.airtransat.ca/en/Info/baggage.aspx?ExitID=23&ContentType=voyageur
**if you have questions, call John T.
Flight info
Leaving Montreal: June 23 - 20:30 TS484
Arrival in Vienna: JUne 24 -10:40 Terminal T1A
Leaving Vienna: July 15 - 12:35 TS485
Arrival in Montreal: July 15