X3 4579 then BA 903 at Frankfurt
Larnaca → Frankfurt am Main → London Heathrow
Timetable, Frankfurt am Main time
12:45X3 4579 from Larnaca at the gate
16:40BA 903 to London Heathrow leaves the gate
3 h 55 apart on the timetable
Frankfurt’s board gives a departure time for only about 19% of its flights, so many days show no gate time.
Frankfurt’s board shows about 57% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
X3 4579 and BA 903 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.