1.Present simple
timetables/programmes
Ex.:The plane reaches London at 9.45.

2.Present continuous
fixed arrangement in the near future
Ex.:Sally is seeing her dentist this week.

1.duration of an action up to a certain time in the future
Ex.:By the end of this year she'll have been working here for 2 years.

1.actions which will be finished before a stated future time
Ex.:She'll have come back by the end of July.

Note:by or not...untill/till are used with future perfect. Untill/till - only in negative sentences.
Ex.:She'll have finished by 8 o'clock.
      She won't have finished untill 8 o'clock.

1.Actions in progress at a stated future time

Ex.:He'll be sunbathing in Hawaii this time next week.

2.Actions which are the result of a routine(instead of Pres.Cont.)
Ex.:I'll be seeing John tomorrow.

3.When we ask politely about people's arrangements to see if they can do sth for us or because we want to offer to do sth for them 
Ex.:Will you be going to the supermarket? Can you buy me some tea?

1.actions intended to be performed in the near future

Ex.:She’s going to visit her parents tomorrow.

2.planned action or intention

Ex.:Now that they’ve settled in their new house, they’re going to have a party.

3.evidence that something will definitely happen in the near future

Ex.:Ann is going to have a baby.

4.Things we are sure about or we have already decided to do in the near future

Ex.:He’s going to be promoted.