WN 1623 then DL 972 at LAX
Tucson → Los Angeles → New York JFK
Timetable, Los Angeles time
10:20WN 1623 from Tucson at the gate
08:25DL 972 to New York JFK leaves the gate
22 h 05 apart on the timetable, overnight
DL 972 leaves 22 h 05 after WN 1623 arrives on the timetable: more than half a day, so not a connection we count.