4 ms·
It varies between airlines - off the top of my head I couldn’t tell you which does what, but some are completely accurate, others are essentially a great circle
by madaxe_again 8y ago
It varies between airlines - off the top of my head I couldn’t tell you which does what, but some are completely accurate, others are essentially a great circle progress bar - and they always turn it off for the interesting bits around takeoff and landing.