Last night I tested again filght mode disabling first wifi and I can confirm that the issue goes away doing that.
Last night battery was at 63% Turn off wifi Turn on flight mode This morning battery charge was 63% yet! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1446584 Title: [krillin] On airplane mode battery discharge more rapidly than with airplane mode off To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1446584/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs