Forgot about World Air Transport Statistics, the IATA annual report. First issue was 1957 with numbers for 1956.
BOAC 388342 revenue pax, 1875867 thousand RPKs, 2884160 thousand ASKs.
BEA 2428166 - 1264293 - 1817425
Hunting Clan 7638 - 48150 - 63316
If you want more, speak up.