Originally Posted by
hhdl
Tripadvisor acquired it and then decided to abandon it. It hasn't been updated. For instance, according to Seatguru, no Delta 767-300s or non-neo 330s have Premium Select, A350s don't have Comfort+, and Delta still flies 777s. So it's about 4 years? since its last update.
Ouch. What a shame. What a waste. It was really useful.