What does the cryptic crossword clue "Taken to the airport, say, from Cardiff, one escaping to the West (4,3)" mean?

The wordplay uses a hidden word. A hidden reversal (to the west) in cardiFF ONE EScaping The answer is SEENOFF.

Taken to the airport, say, from Cardiff, one escaping to the West (4,3)

Guardian Cryptic #29152 | 27 Across | 2023-08-18 flower