стыковочный рейс(That requires the passengers to change from one plane or airline to another at an intermediate point (called connecting point) on way to their destination.) e.g. Many journeys by air involve connecting flights. This is when you have to take more than one flight to reach your destination.(UK site)
опоздать на стыковочный рейс(e.g. Delta.com is a great place to find helpful information anytime flights are delayed, cancelled or connecting flights are missed. 'More)