These are times between locks 1 & 13 only, starting from the time they are entering the lock. 

The time from above lock 14 to the pontoon at lock 13 is approximately 55 minutes without hold ups.

The time taken from entering the sea lock at 15 to exiting lock 14 and vice versa is at least 30 minutes.

In 2025 the shortest possible time without any hold ups would be no less than 6 hours. My observations are that a large proportion of boats failed to get from end to end (minimum basin to basin) in one day. 

The reason for the high level of completions for my clients is that they either started the day above lock 14, at pontoons between lock 14 and lock 13 and at the pontoons at lock 13.

Note that entry to lock 13 has been no earlier that 9.30am in 2024 & 2025 due to the need to run water.