Also - for interest tried JFK since that's a high density route, doesn't look very busy:
[KVS Availability Tool 7.0.2/Diamond - Sabre: Availability/FS/US]
Code:
JFK New York John F Kennedy Intl NY US [KJFK]
LHR London Heathrow UK [EGLL]
THU 26 Jul 2012
Carrier Flight From Depart To Arrive A/C St Availability
--------- ------ ---- -------- ---- -------- --- -- -----------------------------------------------------------------
BA 178 JFK 08:00 LHR 19:40 744 F6 A2 C9 D0 R0 I0 Y9 B9 H9 K9 M9 L9 V9 S0 Q0 G9 J9 W7 E6 T5 N0 O9
BA/AA 1507 JFK 09:40 LHR 21:30 777 F7 A7 C9 D9 R9 I9 Y7 B7 H7 K7 M7 L7 V7 S7 Q7 G0 J9 N7 O7
BA/AA 1511 JFK 18:10 LHR 06:20 777 F9 A9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 S9 Q0 G0 J9 N9 O0
BA 112 JFK 18:50 LHR 06:35 744 F3 A3 C2 D0 R0 I0 Y9 B9 H9 K9 M9 L9 V0 S0 Q0 G0 J9 W9 E9 T9 N0 O2
BA 174 JFK 19:10 LHR 06:55 744 F2 A2 C9 D1 R0 I0 Y9 B9 H9 K9 M9 L9 V9 S0 Q0 G9 J9 W9 E9 T9 N0 O9
BA 176 JFK 19:30 LHR 07:20 744 F5 A5 C7 D0 R0 I0 Y9 B9 H9 K9 M9 L9 V9 S0 Q0 G0 J9 W6 E5 T5 N0 O7
BA/AA 1587 JFK 19:35 LHR 07:40 777 F9 A9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 S9 Q9 G0 J9 N9 O9
BA 116 JFK 20:40 LHR 08:35 744 F3 A3 C9 D0 R0 I0 Y9 B9 H9 K9 M9 L9 V9 S1 Q0 G9 J9 W9 E9 T9 N0 O9
BA/AA 1515 JFK 21:00 LHR 09:00 777 F7 A7 C7 D7 R9 I9 Y7 B7 H9 K9 M9 L9 V9 S9 Q0 G0 J7 N9 O0
BA 172 JFK 21:30 LHR 09:20 744 F2 A2 C9 D3 R0 I0 Y9 B9 H9 K9 M9 L9 V0 S0 Q0 G9 J9 W9 E9 T9 N0 O9
BA 114 JFK 21:50 LHR 09:35 744 F5 A5 C9 D9 R1 I0 Y9 B9 H9 K9 M9 L9 V9 S2 Q0 G8 J9 W9 E9 T9 N0 O9
BA 182 JFK 22:55 LHR 10:45 777 F7 A7 C4 D2 R0 I0 Y9 B9 H9 K9 M9 L9 V1 S0 Q0 G0 J7 W9 E9 T9 N0 O4