I'll arrive at Haneda at 7 tomorrow afternoon.

Literal

Tomorrow [possessive-の] afternoon 7-o'clock [at-に] Haneda [at-に] arrive.

羽田 is Haneda Airport, Tokyo's close-in airport (as opposed to Narita). Two uses of に in a row: first for the time (7時に), second for the arrival point (羽田に). 着く takes its destination with に.