WestJet WS4881 On Time LHR London → YYC Calgary 9h 5m 7,021km / 4,333mi 04. Jun 2025 DEPARTURE 14:10 BST 13:10 UTC 0 minutes TERMINAL: 4 ARRIVAL 16:15 MDT 22:15 UTC GATE: D87 AIRLINE WestJet WS / WJA FREQUENCY irregular/new DISTANCE 7,021km FLIGHTS/WEEK 15 PUNCTUALITY 80%