CM 2469 then AA 1845 at San Francisco
Arcata → San Francisco → Philadelphia
Timetable, San Francisco time
20:00CM 2469 from Arcata at the gatealso UA 5305, NZ 9338
09:58AA 1845 to Philadelphia leaves the gatealso EI 7276
13 h 58 apart on the timetable, overnight
AA 1845 leaves 13 h 58 after CM 2469 arrives on the timetable: more than half a day, so not a connection we count.