"I know you; this unscheduled stop has something to do with a lady."
The bus driver who made an unscheduled stop to let a few people out near their destination.
He left the pits, then suddenly made an unscheduled stop.
Two-career families no longer had time for unscheduled stops along the road.
So much so that he made an unscheduled stop in the middle of the afternoon.
It's an unscheduled stop, but he's already managed to get clearance.
This was an unscheduled stop, so obviously something was wrong.
They wind up sharing a hotel room after a storm forces an unscheduled stop.
Oceanside is reported to have been an unscheduled stop from 1908 to 1930.
He was forced to make an unscheduled stop which dropped him down to 24th.