pink eye
n. A relatively short flight that leaves late in the evening.
Book Low-priced Pink Eye Flights: You can get inexpensive flights to the United states with pink eye flights. A purple eye flight is a flight that is taken or arrives at midnight
—Lisa Steinway, “How To Get Low-cost Flights To The Usa,” Kadash, June 24, 2014
Got a pink eye flight tonight. LA to Indy.
—Jack Barakat, “Got a pink…,” Twitter, May 20, 2011
2004 (earliest)
My flight to Sibu was delayed from 8:25 pm to 10:00 pm and then to 10:20 pm, just missing being a red eye flight by 1 hour and 41 minutes. I guess that makes it a pink eye flight.
—“Pink eye flight,”, August 13, 2004