When you buy an airline ticket there are up to 3 separate airlines that can be involved for each leg of the flight. These are common known as :
The "Marketing Carrier". This is the airline who's flight number is on the ticket/itinerary.
The "Operating Carrier". This is the airline who's aircraft will actually fly the flight.
The "Ticketing Carrier". ...
There are still a lot of unknowns at this stage, so it is quite difficult to answer with any degree of certainty.
I expect you would need to be able to prove to someone (probably the airline, and then again CBP upon arrival in the US) that you are the spouse of a US citizen. Make sure you have a copy of your marriage certificate or other similar document, ...
I booked the following ticket using the TravelUP agency for an Air China flight:
Departure on 8 April
LHR (London Heathrow, UK) -> transit in PEK (Beijing, China) -> FUK (Fukuoka, Japan)
With a return flight going the same way back on 29 April.
I was reading the following information on Air China's website:
In order to ...