OO 9911 then 3S 441 at O'Hare
Dallas-Fort Worth → Chicago → Frankfurt am Main
Timetable, Chicago time
10:41OO 9911 from Dallas-Fort Worth at the gate
21:253S 441 to Frankfurt am Main leaves the gate
10 h 44 apart on the timetable
The last days
OO 9911 and 3S 441 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.