A United States flag carrier, United Airlines flight UA613, outbound from Lagos to Washington late Thursday night, declared an emergency and returned to Lagos in the early hours of Friday.

A total of 79 Guatemalans -- 48 men and 31 women -- were on a first flight that landed at around midnight, the Central American country's migration institute said.

This is a recurring post, regularly updated with new information. When traveling, there are few things as frustrating as finding out you have a lengthy flight delay — especially when you don't know ...