Our driver was early waiting for us at our hotel which was great and he got us to the airport on time. However, he had very limited English and he insisted that he was dropping us off at the right airline and we had to convince him that it was the wrong drop off terminal several times!
On time - good car - but driver only with basic English knowledge
First of all both the arrival and departure pick ups were on time.
The thing that annoyed me was as soon as we entered both of the cars' we were told that we had to pay the drivers
40 total for the tolls each way plus 20 in tips which the drivers were not happy with and commented that is wasn't enough. I had prepaid for the both trips To Viator and there was no mention of the tolls or the tips
in fact it says that all gratuities and taxes are included in the cost which was 128.84 for a stress free trip. I ended up paying 188.84 for a taxi !!.
I won't ever use them again and would urge anyone thinking of booking with Viator to not get stitched up and just use a yellow cab .