AS 2157 then DL 533 at Seattle
Kalispell → Seattle → Detroit
Timetable, Seattle time
14:31AS 2157 from Kalispell at the gate
13:35DL 533 to Detroit leaves the gate
23 h 04 apart on the timetable, overnight
DL 533 leaves 23 h 04 after AS 2157 arrives on the timetable: more than half a day, so not a connection we count.