FlyerTalk Forums - View Single Post - Why are LHR-JFK flight numbers not in a continuous sequence
Old Jun 29, 2023 | 2:57 am
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Dave_C
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Originally Posted by EvilDoctorK
Without knowing the detail I always thought it was an East/Westbound thing .. it's not just BA .. but on Transatlantic anyway most airlines seem to follow the convention that Eastbound flight are even numbered and Westbound odd numbered
I believe it's a BOAC vs BEA thing.

BEA numbered outbound from London as even numbered flights.
BOAC numbered outbound from London as odd numbered flights.

The practice has continued to this day.
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