IT glitches cause major delays for Spirit Airlines and Air Canada.

Spirit Airlines and Air Canada experienced separate IT issues causing major delays and cancellations. Spirit Airlines blamed a "network issue between third party services" while Air Canada did not provide details. More than half of Spirit Airlines' scheduled flights were delayed, with 35 flights cancelled. Air Canada had over 190 delayed flights and 28 cancellations. The cancellations affected flights to and from Toronto Pearson International, Vancouver, Ottawa, and Montreal.