In the Summer 1993
BA Timetable the following flights are listed:
LHR-
ORD BA299. 747. Daily. d. 11:00 a. 13:30
LHR-
ORD BA297. 747. Daily. d. 14:00 a. 16:30
ORD-
LHR BA298. 747. Daily. d. 17;25 a. 06:55 (+1)
ORD-
LHR BA296. 747. Daily. d. 20:35 a. 10:30 (+1)