Airport
Being at an airport stands for a turning point and for new opportunity. It is a place busy with leaving and meeting, so it is read as a good dream of good ties and news passing back and forth before a large change. Waiting to board means the preparation is done and you are waiting on timing, while missing a flight does not mean the opportunity is gone; it signals that the schedule is chasing you. Going to meet someone at arrivals is read as a time when welcome news comes. It appears with no connection to actual travel plans.
An airport is neither departure nor arrival, so in a dream it stands for the time between one decision and the next. It is a place where those leaving and those meeting mix, so it carries straight over from the old symbols of a ferry landing and a post station. Once the bags are checked there is nothing left in your hands but the waiting.
Readings by Situation
Waiting to board
It means the preparation is done and you are waiting on timing. Read it as a signal to wait your turn without fretting. If you felt at ease, better still.
Missing a flight
Nothing has actually been lost here. It signals that the schedule is chasing you, so read it as a nudge to rebuild the plan the way you would look up the next departure.
Going to meet someone at arrivals
Read as a season when welcome news comes. Old lore read going out to meet someone as a tie taking hold. Contact is about to increase.
Being stopped at baggage inspection
A sign that something is hidden or left unsorted. It foretells no real trouble; it signals sorting what to carry from what to leave behind.
Write down where you thought you were heading in the dream — that destination is usually the real subject. A place of coming and going is the core symbol, so read it by what you are sending off and what you are welcoming.