Times Online asked Mark Hodson, writer for The Sunday Times and co-editor of 101holidays.co.uk, to look into which travel companies are using Twitter well and those that are not worth a second look.

Have a look on the pick of the winners – and the losers, among dozens of airlines, airports, tour operators and tourist boards that have flocked onto Twitter.

Which travel firms do Twitter well (and badly)?

You can find the team’s tweeting at www.twitter.com/timestravel.

Thanks to @mBusiness and @xmoisant