AA 126 then FR 3186 at Madrid
Chicago → Madrid → Manchester
Timetable, Madrid time
09:25AA 126 from Chicago at the gatealso AY 1638, BA 4481
06:40FR 3186 to Manchester leaves the gate
21 h 15 apart on the timetable, overnight
FR 3186 leaves 21 h 15 after AA 126 arrives on the timetable: more than half a day, so not a connection we count.