AA 1253 then UA 1910 at O'Hare
San Francisco → Chicago → Newark
Timetable, Chicago time
17:05AA 1253 from San Francisco at the gate
21:00UA 1910 to Newark leaves the gate
3 h 55 apart on the timetable
The last days
AA 1253 and UA 1910 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.
Later flights to Newark
UA 120921:484 h 43 after AA 1253 on the timetable