UA 641 then G4 1397 at Dulles
Atlanta (ATL) → Washington → Knoxville
Timetable, Washington time
07:18UA 641 from Atlanta (ATL) at the gate
09:48G4 1397 to Knoxville leaves the gate
2 h 30 apart on the timetable
The last days
UA 641 and G4 1397 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.