When someone arrives at a place, you can talk about their arrival there. This is a rather formal use.
If you want to say that something happens immediately after someone arrives at a place, you can use a phrase beginning with on. Note that you must use on, not 'at', in sentences like these. You do not say, for example, 'At his arrival in London, he went straight to Oxford Street'. You can say 'On his arrival in London, he went straight to Oxford Street'.
The possessive determiner is often omitted. For example, instead of saying 'on their arrival', you can just say on arrival.
| Noun | 1. | arrival - accomplishment of an objective accomplishment, achievement - the action of accomplishing something attainment - arrival at a new stage; "his attainment of puberty was delayed by malnutrition" |
| 2. | arrival - the act of arriving at a certain place; "they awaited her arrival"action - something done (usually as opposed to something said); "there were stories of murders and other unnatural actions" appearance - the act of appearing in public view; "the rookie made a brief appearance in the first period"; "it was Bernhardt's last appearance in America" homecoming, return - a coming to or returning home; "on his return from Australia we gave him a welcoming party" anchorage - the act of anchoring landing - the act of coming to land after a voyage landing - the act of coming down to the earth (or other surface); "the plane made a smooth landing"; "his landing on his feet was catlike" check-in - the act of reporting your presence (as at an airport or a hotel) | |
| 3. | arrival - someone who arrives (or has arrived)early bird - a person who arrives early before others do latecomer - someone who arrives late newcomer - a recent arrival; "he's a newcomer to Boston" |