Returning from the city of Chicago, United Airlines was once again the airline provider. Similar to the outbound flight, this time the flight originated in the afternoon journey also originated in the afternoon, so provides a perfect chance to compare the meal options and the level to which United Airlines caters for those travelling with allergies.

On the return flight from Boston Logan International to London Heathrow Airport, Virgin Atlantic was once again the transatlantic flight operator. This flight originated in the morning, so the menu items differed from the outbound evening flight towards Boston, but allow for a good comparison between the morning and evening food options. Below documents how this Virgin Atlantic flight dealt with catering for those travelling with allergies.

Rounding up the California road trip was a transatlantic flight from LAX to LHR, and although booked through British Airways, this flight was provided by their codeshare American Airlines. This allows the comparison of the food options and level of catering for those travelling with allergies to the outbound BA flight.