Looking on the internet deeply has found these results:

i am available is the most popular phrase on the web.

i will be available 1223,000 results on the web	i am available 18,320,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Aug 7, 2013 ... I am trying to answer someone regarding my availability for an interview with this sentence: I will be available anytime during the morning, until ... Jul 30, 2010 ... I will be available on these days so please let me know which day and time is the most convenient for you or should I say. I will be available ... If you will truly be available all day, you can say I will be available from seven A.M. on. This is appropriate if, for example, you are going on a trip ... I will be out of the office on Wednesday and Thursday, but I will be available on Friday afternoon. Cancelling an appointment. (formal) Unfortunately, due to some ...	Really? Yes, I am available for a comment. I am available for any information by phoning 3383407092. I am available from mid I am available for children's parties by the way. I am available anytime for you. August 2015. I am available for review posts and giveaways. In fact, I am available for any possible overtime.

i will be available

1223,000 results on the web

i am available

18,320,000 results on the web

More popular!

Aug 7, 2013 ... I am trying to answer someone regarding my availability for an interview with this sentence: I will be available anytime during the morning, until ...
Jul 30, 2010 ... I will be available on these days so please let me know which day and time is the most convenient for you or should I say. I will be available ...
If you will truly be available all day, you can say I will be available from seven A.M. on. This is appropriate if, for example, you are going on a trip ...
I will be out of the office on Wednesday and Thursday, but I will be available on Friday afternoon. Cancelling an appointment. (formal) Unfortunately, due to some ...