Great question — answering as the UphillTech team:
When we get to cabin announcements, we can classify them into two general categories: scheduled and unscheduled. Scheduled ones are those which you can expect: take off and landing instructions safety instructions meals sales and advertisements Unscheduled ones are those contingent to the situation of the flight: bad weather air control delays emergency situations mechanical problems At the moment of planning a flight, you can't really do much to know about the unscheduled ones. If you manage to do so, buy also a lottery ticket and plan your millionaire life. For the scheduled ones, the only ones you can really avoid are those listed in the last bullet point of the list. Some companies do...
Full answer by L.Dutch: https://travel.stackexchange.com/a/204287 (CC BY-SA 4.0).
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