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Given a travel related situation, and given a specific question about the situation, summarize the question into a title

The green carriage is of course first class. This would be our first preference with our 5 month old baby in lap, because of the presumably larger toilets for changing and whatnot. However, the baby being a Western white baby... will occasionally babble, screech or cry uncontrollably for a little while.

Speaking in terms of Japanese culture, should we avoid Green class tickets if we are taking aboard a potentially disruptive baby?

Solution: Japanese train etiquette: Is it acceptable to take a baby in the Shinkansen Green Car?
Why? A person gives a detailed description about a situation where they would prefer to travel on the Shinkansen Green Car but is doubtful if doing that would be against the Japanese train etiquette since they will be traveling with a baby. The question is summarized as Japanese train etiquette: Is it acceptable to take a baby in the Shinkansen Green Car? for easy indexing the next time someone searches for a similar phrase

New input: I am planning to book an early morning flight from Reykjavik to Berlin via Wow air, its departure time is 6:10 am.

How easy it is to reach Keflavik airport early, is it easy to get airport commute so early in morning?

I can see all Wow air Europe flights depart almost at similar times, so airport will be crowded, any idea at what should one plan to reach airport?

Edit:

Correct above, its Keflavik airport not Reykjavik but its the main airport for International flights.

Update:

I booked Grayline pickup for 3am and it dropped me at airport by 3:50am. I had no problems and reached the boarding area well in time and even submitted my tax refund form.

Solution:
Catching early morning flight in Reykjavik