Choosing an operator that is conservation-minded, with ties to the local community and well-trained guides can add up to the trip of a lifetime and also nurture nature.
Avelo Airlines and Breeze Airways have found success and loyal customers by serving airports in smaller cities, like New Haven, Conn., that were neglected by national carriers.
Flights were grounded for about an hour on Christmas Eve, one of the busiest travel days of the year, before the airline restored its systems. But heavy delays are expected.