I’ve just looked and BA are correct - just J4 on the LHR-CPT
Results from https://www.ExpertFlyer.com
Code:
Flight Availability Search
Departing BER on 30/12/21 0:00 for CPT
Returning on 10/01/22 0:00
Flying BA
Connecting at LHR
Direct/Non-Stop Only
Point of Sale: UK
Frequency
Flight Stops Depart Arrive Aircraft Reliability Available Classes
1 Connection
BA 991 0 BER LHR 320 M,T,W,Th,F J9 C9 D9 R9 I0 Y9 B9 H9 K9 M9 L9 V9 N9 O0 Q0 S9 G0
30/12/21 11:05 30/12/21 12:10 NA / NA
BA 43 0 LHR CPT 777 M,T,Th,Sa J4 C0 D0 R0 I0 W9 E9 T9 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O9 G0
30/12/21 18:15 31/12/21 8:00 NA / NA
1 Connection
BA 993 0 BER LHR 319 Daily J9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 N9 O1 Q0 S9 G2
30/12/21 12:35 30/12/21 13:35 NA / NA
BA 43 0 LHR CPT 777 M,T,Th,Sa J4 C0 D0 R0 I0 W9 E9 T9 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O9 G0
30/12/21 18:15 31/12/21 8:00 NA / NA
1 Connection
BA 983 0 BER LHR 32A Su,M,T,W,Th,F J9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 N9 O9 Q9 S9 G9
30/12/21 14:10 30/12/21 15:15 70% / 29m
BA 43 0 LHR CPT 777 M,T,Th,Sa J4 C0 D0 R0 I0 W9 E9 T9 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O9 G0
30/12/21 18:15 31/12/21 8:00 NA / NA
1 Connection
BA 983 0 BER LHR 32A Su,M,T,W,Th,F J9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 N9 O9 Q9 S9 G9
30/12/21 14:10 30/12/21 15:15 70% / 29m
BA 59 0 LHR CPT 777 Su,M,T,W,Th,Sa J9 C9 D9 R9 I8 W8 E6 T6 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O9 G9
30/12/21 21:45 31/12/21 11:30 NA / NA
1 Connection
BA 985 0 BER LHR 32A Daily J9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 N9 O6 Q3 S9 G9
30/12/21 16:25 30/12/21 17:25 60% / 16m
BA 59 0 LHR CPT 777 Su,M,T,W,Th,Sa J9 C9 D9 R9 I8 W8 E6 T6 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O9 G9
30/12/21 21:45 31/12/21 11:30 NA / NA
1 Connection
BA 987 0 BER LHR 319 Su,M,T,W,Th,Sa J9 C9 D9 R9 I9 Y9 B9 H9 K9 M9 L9 V9 N9 O9 Q0 S9 G9
30/12/21 19:40 30/12/21 20:35 100% / 0m
BA 59 0 LHR CPT 777 Su,M,T,W,Th,Sa J9 C9 D9 R9 I8 W8 E6 T6 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 O9 G9
30/12/21 21:45 31/12/21 11:30 NA / NA