UA 42 then X3 2142 at Frankfurt
Newark → Frankfurt am Main → Tenerife South
Timetable, Frankfurt am Main time
09:10UA 42 from Newark at the gate
07:50X3 2142 to Tenerife South leaves the gate
22 h 40 apart on the timetable, overnight
X3 2142 leaves 22 h 40 after UA 42 arrives on the timetable: more than half a day, so not a connection we count.