事實上，由於班機運行過程的延誤，第一架班機沒有起飛。

事實上，由於班機運行過程的延誤，第一架班機沒有起飛。

Results (English) 1:

In fact, the first flight did not take off due to delays in the flight.

Results (English) 2:

As a matter of fact, the first flight did not take off due to the delay of flight operation.

Results (English) 3:

In fact, the first flight did not take off due to delays in the operation of the flight.