United or Air France?


Looking at fares R/T SFO to CDG Business classBoth United and Air France have essentially the same fare and also schedules are nearly identical. Both are non-stop overnight flights going out.

United - Boeing 787

AF Airbus A380
I have no alliance or loyalty program with either of these airlines or their partners. (I use a credit card that rewards travel with refunds, so I can choose any airline any time and reimburse myself.)
Which would you choose? Why?

Please help.

I didn’t find the right solution from the Internet.

References: https://www.fodors.com/community/air-travel/united-or-air-france-business-class.cfm

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