WN 993 then UA 2865 at Denver
Baltimore → Denver → Chicago O'Hare
Timetable, Denver time
11:45WN 993 from Baltimore at the gate
11:15UA 2865 to Chicago O'Hare leaves the gate
23 h 30 apart on the timetable, overnight
UA 2865 leaves 23 h 30 after WN 993 arrives on the timetable: more than half a day, so not a connection we count.