Previously, laptops had been banned in the cabin on flights originating in eight counties in the Middle East and North Africa.
"Customers are advised to refer to the respective check-in counter opening hours, and to arrive at the airport early to allow sufficient time for enhanced security measures", the airline said.
Following the American Department of Homeland Security directive to airlines flying to the US, Air India has also started asking passengers questions like the objective of their trips and about their check-in bags. Those without check-in baggage can proceed to the boarding gate directly "as early as possible", where they will also be subject to a short security interview, the airline said. "These new measures will impact all flights from airports that serve as last points of departure locations to the United States".
However, other airlines have warned passengers to give themselves more time to get through check-in.
Economy passengers on Lufthansa's Swiss airline have been asked to check in at least 90 minutes before departure. It could mean delays and headaches for travelers and airline companies.
Passengers headed to the USA will be questioned before boarding aircraft.
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Alexandre de Juniac, CEO of the International Air Transport Association, said the industry understood security threats to aviation were made regularly but in this case the USA government had not shared any specific dangers before announcing the initial Middle East and North Africa electronic device restrictions in March.
The new rules also come at the end of a 120-day deadline for airlines to meet new USA regulations following the ban on laptops in airplane cabins of some Mideast airlines being lifted. He said, "What we have seen is very unusual ..." "Unilateral measures announced without any prior consultation..."
At their annual meeting in Taipei, Association of Asia Pacific Airlines (AAPA) members passed a resolution calling for security measures to be risk-based, outcome-focused and proportionate to the probable threat.
The TSA has also further restricted access to aircraft.
Virgin Atlantic has said the new rules won't disrupt customers. Some of those new requirements take effect this week as well.
More regular pat-downs, heightened checks on personal electronic devices, more screening by dogs and tighter security protocols around aircraft and in passenger areas are also expected.