Originally Posted by
BlissWorld
Clue 1: LHR-ORD
Clue 2: Salmon as appetizer on small plate (ok, this is a giveaway)
Clue 3: Frequent water refills (this is also a giveaway. Of all the airlines I've flown, only one that does this well and consistently)
Clue 4: AVOD
Clue 5: afternoon tea/scones prior to arrival.
Clue 6: #1 on time!

Clue 7: just blah (this is also a giveaway)
United, it's time to fly

Brilliantly deduced! The 949. Sorry for the omission.