WestJet WS1535 Landed IAH Houston → YYC Calgary 4h 7m 2,815km / 1,737mi 01. Aug 2018 DEPARTURE 18:25 CDT 23:25 UTC 18:05 +20 minutes ARRIVAL 21:32 MDT 03:32 UTC 21:14 +18 minutes Boeing B737 MAX 8 C-FZWS AIRLINE WestJet WS / WJA FREQUENCY daily DISTANCE 2,816km FLIGHTS/WEEK 28 PUNCTUALITY 74% CO2 EMISSIONS Economy 494kg Eco+ 572kg