AA 397 then CX 2090 at DFW
Boston → Dallas-Fort Worth → Los Angeles
Timetable, Dallas-Fort Worth time
10:38AA 397 from Boston at the gate
07:36CX 2090 to Los Angeles leaves the gate
20 h 58 apart on the timetable, overnight
CX 2090 leaves 20 h 58 after AA 397 arrives on the timetable: more than half a day, so not a connection we count.