The federal government鈥檚 transportation agency has launched an inquiry after two Air Transat flights were diverted from Montreal to Ottawa on Monday and

The Canadian Transportation Agency says it has ordered the airline 鈥渢o explain the circumstances surrounding a delay of two of the airline's flights."

The CTA says it鈥檚 looking into whether the airline 鈥渞espected its terms and conditions of carriage for international flights (tariff) with respect to the treatment of passengers on the aircraft.鈥�

Scott Streiner, chair and CEO of the CTA, said in a written statement that the agency is committed to ensuring passenger rights are respected.

鈥淭his inquiry will determine, based on the evidence and the law, whether the treatment of passengers on the two flights was in line with the airline's obligations -- and if not, what corrective measures should be ordered,鈥� Streiner said.

鈥淲e'll get it done as quickly as possible, but we'll take the time required to gather all the facts,鈥� Streiner added.

Dozens of Air Transat flights were diverted from Montreal to Ottawa on Monday, due to bad weather in Montreal.

An Air Transat flight from Brussels sat on the tarmac for about six hours. Passengers told 麻豆影视 that the air conditioning was not working properly and cut out completely at one point. At least one person called 911.

Air Transat Tuesday afternoon apologizing for 鈥渋nconveniences鈥� that it said were 鈥渃aused by a situation that was beyond our control.鈥�

鈥淥ttawa airport staff were unable to provide with loading bridges or stairs that would have enabled the passengers on the Brussels flight to disembark or our ground crews to replenish the aircraft鈥檚 empty drinking water reservoir,鈥� the airline said.

The airline added that a 鈥渇uel shortage鈥� resulted in the lack of air conditioning.

Ottawa Airport spokesperson Krista Kealy told 麻豆影视 on Tuesday that it is 鈥渦p to the airline鈥� to decide whether the passengers get off a plane and she questioned Air Transat鈥檚 assertion that there were no air stairs available.

鈥淲e鈥檙e very disappointed that [Air Transat] chose to say that some of the resources were not available to them,鈥� she said. 鈥淭here were air stairs available in the event that they did want to offload the aircraft.鈥�

on its Twitter account around 7 p.m. Tuesday that said 鈥淥ttawa Airport鈥檚 version of events is not consistent with ours.鈥�

鈥淲e will continue our investigation and come back with the facts as soon as possible,鈥� the statement went on. 鈥淚n any case, our passengers experienced genuine discomfort for which we are sincerely sorry.鈥�