Thanks for that 'Mixture', but as a consumer of a product, paying a regular monthly fee, one would think that contractually the supplier should at least provide what you're paying for, bottom of the food chain or not.
Perfectly normal to fluctuate between 5.3Mbps and 62kbps? Think not. It should be more stable than that.
Put up or shut up? Well you're one happy chap aren't you. Glad I don't have to share a cockpit with your type.
As for no-frills or business class, the plane still gets you there
. BT often won't work and drops out. Now where have I heard similar before?