Jet Airways starting October 2012 is introducing re-configured Boeing 777-300ER operation, which sees Economy Class on 777-300ER changes from 3-3-3 to 3-4-3 layout. The new configuration is F8J30Y308, which will gradually replace existing F8J30Y274.

Planned re-configured 777-300ER operation as follows:

Delhi – London Heathrow eff 16OCT12 (Schedule eff 28OCT12)
9W122 DEL1340 – 1740LHR 77W D
9W121 LHR2050 – 1040+1DEL 77W D

Mumbai – London Heathrow
9W118/117 eff 01NOV12
9W120/119 eff 16NOV12

9W120 BOM0235 – 0700LHR 77W D
9W118 BOM1330 – 1740LHR 77W D

9W119 LHR1005 – 0030+1BOM 77W D
9W117 LHR2105 – 1125+1BOM 77W D

Selected flights operate with 274 Economy Class seat configuration