The flight does sell as YYZ-YUL. However, as of now, that segment seems relatively open
[KVS Availability Tool 6.1.6/Diamond - Sabre: Availability/GTC/US-LTR]
Code:
YYZ Toronto Pearson Intl ON CA [CYYZ]
YUL Montreal Pierre Elliott Trudeau QC CA [CYUL]
FRI 24 Jun 2011
Carrier Flight From Depart To Arrive A/C St Availability
--------- ------ ---- -------- ---- -------- --- -- -----------------------------------------------------------
AC 830 YYZ 18:00 YUL 19:10 763 0 J9 C9 D9 Z9 Y9 B9 M9 U9 H9 Q9 V9 W9 S9 T9 L9 K1 N9 G9 P9 A9