The Out of Towners (1970)

I don't know if this was Neil Simon's experience, that New Yorkers were polite and helpful and it was those from out of town who were rude and demanding. 

Jack Lemmon and his wife (Sandy Dennis) from Twin Oaks, Ohio, head for the big city where he's going to interview for a promotion.

Standard plot where people are trying to get from point A to point B, have a time limit and must overcome obstacles. The New York airports are fogged in. They land in Boston and race to catch a crowded commuter train to New York. Johnny Brown who died in March this year played a waiter in the dining car. They reach New York hours late. The hotel didn't hold their reservation. I won't give it all away. They're chased by a horse. Jack Lemmon keeps threatening to sue.

Billie Dee Williams works at the airport lost and found. Anne Meara as a purse snatching victim. Ron Carey as a cab driver.

I've seen it both ways. I knew a guy who lost a job interview because he was late due to circumstances beyond his control, and I know another guy who drove hundreds of miles through a snow storm to get to a gig that had been cancelled due to weather. Calling ahead wouldn't have hurt anything in either case.