Unless you have United Gold status or better, you will have no United Club access for an arrival on Swiss (even if booked w/ United). An arrival on United from Europe would have gotten access to Polaris Lounge w/ showers or a United Club. There are no showers in United Clubs. Sorry for bad news.
Last edited by IAH-OIL-TRASH; Oct 16, 2018 at 9:58 am