I saw the following 39 aircraft at Vancouver YVR on Monday, September 17, 2018:
B-1293 787-9 Dreamliner China Southern Airlines
B-2730 787-8 Dreamliner Hainan Airlines
C-FDRP A320-211 Air Canada
C-FEWJ 737-7CT(WL) WestJet
C-FGFZ King Air 200 PAL Aerospace Ltd
C-FGKN A321-211 Air Canada
C-FJWE DHC-8-402Q WestJet Encore
C-FJXO Beech 1900C Skylink Express
C-FKAU 777-333(ER) Air Canada
C-FKJZ CRJ-705 Air Canada Express
C-FLJZ CRJ-705 Air Canada Express
C-FMDW DHC-8-311 Air Canada Express
C-FSDQ 737-8 MAX Air Canada
C-FSLU 737-8 MAX Air Canada
C-FSRY DHC-8-402Q Air Canada Express
C-FUSM 737-8CT(WL) WestJet
C-FWCN 737-7CT(WL) WestJet
C-FWEP DHC-8-402Q WestJet Encore
C-FYBK 737-8CT(WL) WestJet
C-GAQL A319-113 Air Canada
C-GAWS 737-8CT(WL) WestJet
C-GBIP A319-112 Air Canada
C-GDUZ 767-38E(ER) Air Canada Rouge
C-GEGA Cessna Caravan-208B Skylink Express Inc
C-GGCI DHC-8-402Q Air Canada Express
C-GHPQ 787-8 Dreamliner Air Canada
C-GJWN A321-211 Air Canada
C-GPCY Beech 1900C Pacific Coastal Airlines
C-GWCN 737-7CT(WL) WestJet
C-GWSL 737-6CT WestJet
D-ABUB 767-330(ER)(WL) Condor
D-AIXI A350-941 Lufthansa
HL7207 787-9 Dreamliner Korean Air Lines
JA823J 787-8 Dreamliner Japan Airlines
N441QX DHC-8-402Q Horizon Air
N602CZ ERJ-175-LR (ERJ-170-200 LR) Delta Connection
N814AW A319-132 American Airlines
PH-BQB 777-206(ER) KLM Royal Dutch Airlines
RP-C7779 777-3F6(ER) Philippine Airlines