Student or Learner
could you please proofread the following text (especially tenses, word order, articles, commas):
I would like to remind you of the fact that the airline company was aware several days earlier that the plane would not depart. There were very bad weather conditions in the London area. However, due to the errors of the airline company the information about the flight cancelled long before was not available at the Polish airport upon check-in. We were normally checked-in to Brussels and our luggage to London. We flew to Brussels and back uselessly. We had lost 3 days before we obtained new air tickets to a different destination.
Thank you very much!