<ruleset name="United Airlines">
  <target host="united.com" />
  <target host="www.united.com" />
  <target host="travel.united.com" />
  <target host="pss.united.com" />
  <target host="ua2go.com" />
  <target host="www.ua2go.com" />

  <rule from="^http://(?:www\.)?united\.com/" to="https://www.united.com/"/>
  <rule from="^http://travel\.united\.com/" to="https://travel.united.com/"/>
  <rule from="^http://pss\.united\.com/" to="https://pss.united.com/"/>
  <rule from="^http://(?:www\.)?ua2go\.com/"  to="https://www.ua2go.com/"/>
</ruleset>
