UA 2233 then B6 1889 at Newark
San Antonio → New York → San Juan
Timetable, New York time
11:00UA 2233 from San Antonio at the gate
10:35B6 1889 to San Juan leaves the gate
23 h 35 apart on the timetable, overnight
B6 1889 leaves 23 h 35 after UA 2233 arrives on the timetable: more than half a day, so not a connection we count.