UA 2210 then AA 1401 at San Francisco
Sacramento → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
08:55UA 2210 from Sacramento at the gatealso VA 8016
15:45AA 1401 to Dallas-Fort Worth leaves the gatealso QF 4572
6 h 50 apart on the timetable
The last days
UA 2210 and AA 1401 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.