the main approach roads are at their busiest on weekday mornings and early evenings around Charing Cross Station, as commuter traffic overlaps with airport and local trips. Early or late weekday journeys benefit from extra time in the schedule; quieter periods fall on evenings, weekends and school holidays. Whatever the traffic, your driver plans the route in advance and the fare does not change.
Your pickup point is confirmed ahead of time, removing any guesswork on the day, and flight tracking on airport journeys means the car adjusts to when you actually land rather than when the schedule says you should. The usual airport steps still apply either side of your drive — check-in and security, or passport control and baggage reclaim — and the included waiting time is there to cover them.
It helps to flag your group size and luggage when you book rather than on the day — a saloon comfortably takes four passengers and two large cases, and an estate, MPV or 8-seater covers anything bigger, from extra suitcases to pushchairs. Demand for this kind of trip tends to rise in school holidays and over summer, so an earlier booking makes it easier to lock in the vehicle you need.