B757 Undifferentiated or Other Model
Flight Crew Last 90 Days 169; Flight Crew Type 4604
Communication Breakdown
Deviation / Discrepancy - Procedural Weight And Balance; Deviation / Discrepancy - Procedural Published Material / Policy
General None Reported / Taken
Human Factors
The loading of this flight was uneventful; we received the Final Weights and Takeoff Data in reasonable time and departed. To our surprise; 1:45 into the flight we received via ACARS; another Final Weights; with a different Takeoff Gross weight (TOG); Zero Fuel Weight (ZFW); CG and TRIM.Original  ZFW  197917                   Change   196486          TOG  253017                            251586          CG. 19.0                               17.6          TRIM  5.3                              5.5Consequently; the ZFW was changed in the FMC Performance page.I would like to note that no 'Invalid weights' message was ever received prior to the Takeoff Data.
A B757 Captain reported receiving a revision to his final weights 1:45 into the flight.