Train 612 to Laguna Niguel / Mission Viejo is delayed 40-45 minutes due to delayed Train 609. Started Until OC Line Alert: All trains may experience a 15–20 minute delay due to flash flood warnings until further notice. Started Until Train 616 to Laguna Niguel/Mission Viejo will use track 14A at L.A. Union Station. (12:40 PM Departure) Started Until On Thursday, December 25 and Thursday, January 1, Metrolink and Arrow will offer a weekend schedule. There will be no service on the Riverside Line Starts Until Thu Dec 25 For more information, click "more info' in the "Details" link below or call or text 800 371 5465.