Air Canada flights are expected to return to normal Wednesday after their systems experienced an outage Tuesday night.
“The issue affecting our systems last night has been resolved and most functions have returned to normal,” spokesperson Peter Fitzpatrick told Global News in an email, “although some processes may take longer than usual.”
Fitzpatrick said there were a small number of flights cancelled “due to aircraft being out of position” because of Tuesday night’s outages, but the carrier would be switching some flights to bigger aircrafts, and adding five extra flights to accommodate those who were delayed.
Air Canada customers have been advised to avoid the company’s website and app for the time being and to check flight statuses with the departure or arrival airport websites or through flightaware.com.
“We thank our customers for their patience and apologize for the inconvenience,” spokesperson Angie Mah said.
Mah said the root cause of the outage is being investigated.
Only one per cent of Air Canada daily flights were affected by the technical failure, according to Mah.
“Even with the outage last night, we operated more than 95% of our schedule yesterday,” Fitzpatrick said.
Frustrated passengers took to social media to vent.
On Tuesday, Air Canada experienced a “network outage” that has affected services including check-in, airport operations and customer call centres, leaving passengers unable to sign in for their flights.
The airline tweeted at around 10:20 p.m. ET that it experienced a “computer technical issue” affecting all the aforementioned services, and that it was “working to resolve this issue.”
The airline noted on its website that passengers had not been able to book flights, check in for them or to check for any flight statuses.
Calgary International Airport tweeted just before 11 p.m. ET that Air Canada passengers could now check in, board and depart all Jazz flights, but said mainline flights were still affected.
Toronto Pearson International Airport, Calgary International Airport and Vancouver International Airport tweeted that they were assisting Air Canada following the outage.
WATCH: March 12, 2018 — Air Canada nationwide network outage creates check-in problems
This is not the first time that Air Canada has experienced an outage that affected check-ins.
A similar outage happened in March 2018 that lasted two hours and affected people in airports all across Canada.
READ MORE: Air Canada says technical issues resolved, warns customers to expect delays