Airlines Say Permanent Daylight Saving Time Won't Be Simple As Congress debates making daylight saving time (DST) permanent, the aviation industry is warning that adopting a year round schedule would not be straightforward.
The debate has been fueled by proponents who claim DST reduces energy use and promotes outdoor activities, while detractors point to negative health outcomes and cold mornings.
Airlines rely on precise scheduling to operate their global networks, which can be disrupted by even slight changes.