ˈred eye noun
take the red eye American English informal to take a journey in a plane that continues all night:
I took the red eye to LA.

[TahlilGaran] Dictionary of Contemporary English ▲

red eye
[American, informal]
a flight that leaves late at night and arrives early the next morning.
We took the red eye from Seattle to New York.

[American, very informal]
cheap whiskey (= strong alcoholic drink).
The man was leaning against the wall, swigging from a bottle of red eye.

[TahlilGaran] English Idioms Dictionary ▲

red-eye
a red eye - a flight that leaves late at night and arrives early the next morning.
There's a red-eye flight to Los Angeles leaving at 10pm.
(always before noun)

[TahlilGaran] English Idioms Dictionary ▲

red-eye
an airplane flight that leaves late at night and arrives early in the morning
We caught the red-eye flight last night and we are very tired today.

[TahlilGaran] English Idioms Dictionary ▲

red eye
n. phr., informal A night flight.
The company refused to pay for him to take a more expensive daytime flight, so he had to come in on the red eye.

[TahlilGaran] English Idioms Dictionary ▲