In article ,
"TF" wrote:
Any suggestions on preflight preparations that have worked for others ? No
coffee before the flight ? No liquids xxx hours before leaving etc. etc.
Sort of like preparing for an operations.

Do not drink anything later than one-hour prior to flight.
Immediately prior to departure, go to the toilet and clear out whatever
you have.
For 3-3.5 hour legs, wait until one-hour prior to arrival before
drinking. When you do drink, drink only water and only in small sips.
You should then be able to make it to your destination before the urge
for relief hits.