If you are sick, should you fly? Does it matter how sick? Does it matter if you feel sick but have no visible signs? Who should judge – airline, passenger, other passengers, compulsory medical check at check in? Do the airlines’ policies and rules encourage sick travelers to keep traveling even when they should rest? See the discussion in the ah-choo, airlines bump sick passengers thread.
vsevolod4 took a step too far when he attempted to board a flight with the aircraft missing.
Why might you be denied boarding, and what can you do about it if the information the denial is based upon appears to be incorrect? Check out the discussion on denied boarding due to incorrect entry requirements.