Passengers spend four hours on Ottawa airport tarmac during heat wave

Dual calamities — one meteorological and one mechanical — grounded an Air Canada flight from Ottawa to Toronto on Monday afternoon, leaving passengers waiting on the Ottawa airport tarmac for more than four hours as a heat wave outside kept temperatures feeling close to 40 degrees.
According to Air Canada spokesman Peter Fitzpatrick, the flight — which was initially scheduled to leave at 3 p.m. — was first delayed an hour by the thunderstorm that rolled through Monday aft