As a caveat, she noted that drinks with too much acid (such as tomato juice or citrus juice) can result in an upset stomach or heartburn if you're susceptible to these issues. Grosskopf said that a bloody mary, gin and tonic, Moscow mule, and a mimosa are all “safe bets” on flights.
Malaysia Airlines doesn't serve alcohol on flights within three hours flying time of its Kuala Lumpur hub. Turkish Airlines doesn't serve alcohol on domestic flights but does on international flights.
However, this can be counteractive, especially since it can dehydrate you when flying. It is also best to avoid caffeine if you are an anxious flyer. Choose a calming drink like camomile or peppermint tea to help you relax, or even just water.
“Most flight attendants won't drink the tap water, coffee or tea,” she added, noting that caffeinated drinks also dehydrate you – another reason to avoid them while travelling. And before you put ice in your drink, think again. That is also often made using the very same tap water.