Saturday, 9:05 p.m. ET
— Flightaware.com shows Air Canada flight 624, an Airbus A320 with 133 passengers and five crew members, leaving Toronto for Halifax.
Saturday, 11:40 p.m. AT
— Flightaware.com shows the plane arriving in the Halifax area, which is under a snowfall warning, and it begins to circle near Windsor, N.S.
Sunday, 12:43 a.m. AT
— The plane attempts a landing but touches down about 335 metres short of the runway, hits an antenna array and loses its main landing gear.
— Around the same time the airport loses its electricity because a power line is severed.
— The aircraft skids for another 335 metres on the asphalt, losing one engine and leaving a trail of debris, before it comes to a stop.
— The airport authority says the plane was evacuated within 60 seconds and emergency responders arrive on the scene within 90 seconds.
— Some passengers say it takes more than an hour before they board buses to be taken inside, causing the airport to review its response. The airport says it took 40 to 50 minutes to remove passengers from the scene of the crash.
Sunday, 2:12 a.m. AT
— Nova Scotia Power tweets that it has restored power to the airport.
(SOURCE: Transportation Safety Board of Canada, Halifax Stanfield International Airport, Air Canada, Nova Scotia Power, flightaware.com)