Mr. Bingley Timeline and Summary

Mr. Bingley arrives at Netherfield and returns Mr. Bennet's visit.
At the Lucases' ball, Mr. Bingley dances with Jane twice, a real honor that suggests he finds her attractive.
Mr. Bingley begins to pay special attention to Jane. The two appear to fall in love.
Mr. Bingley leaves for London, but promises he will have dinner at Longbourn when he returns.
Mr. Bingley does not return from London; his sisters leave for London to join him.
While Jane is in London for three months, Mr. Bingley does not visit her.
Mr. Bingley returns to Netherfield after being gone for almost a year. Since he has learned the truth from Mr. Darcy about how Jane really did like him, he dares to hope that Jane might still like him.
Mr. Bingley proposes and Jane accepts.