Yes, presumably because 50 minutes is about as close as an experienced passenger can cut it if you get on right as the doors close, which we are also assuming for the train, when he researched that specific flight the time presumably came out five minutes longer than you did, and yes.
The bible isn’t the infallible word of God though, at least not according to anyone but the most fundamentalist and not particularly literate sects, it’s a collection of stories sometimes about God and mostly about their fallible human followers originating from entirely different religions, cultures, and centuries that were passed down though oral tradition and copies of copies of copies for centuries. Hence why so much of it is open to debate even within a given church, even before getting to how much of it is explicitly metaphorical or any of its actual history might have affected how said stories were retold and which parts survived.