3rd July is currently mostly unallocated in Y, and not yet fully booked:
F9 A9 J9 C9 D9 R9 I9 W9 E9 T9 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O0 G5
4th July is also quiet
F9 A9 J9 C9 D9 R9 I9 W9 E9 T9 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O0 G9
14th July return, a few seats (4) already allocated
F5 A4 J9 C9 D9 R9 I9 W9 E9 T9 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q0 O0 G0
All information is sourced from
www.expertflyer.com
Note that "unallocated" seat means "passengers have not selected their seats" = no status. A full flight can be "unallocated" at T-25 if no-one has status!