My 14:25 Air Canada flight to Toronto on 9th Oct 2019 was cancelled. Travel Up informed me of this by email on 30th September. I was later told by Air Canada that it had been cancelled on 19th September so it took Travel Up 11 days to inform me that I had been put onto a different flight at 06:40. This would mean I would need to leave for the airport at 4am and spend 9 hrs at Toronto airport waiting for my connection to London. I replied to the Travel Up email requesting an alternative flight at 09.55 which would work better for me. I got no reply. I emailed 3 times in the end and got absolutely no response until 8th October, the day before my flight. The response completely ignored my request and stated that my new e-ticket would be emailed within the next 72 hrs! Fortunately it arrived before I had to leave for the airport. I had no help from Travel Up at all so contacted Air Canada. I cannot praise them enough. They understood the terrible situation that Travel Up had put me in and helped me. They were so efficient. As in other reviews I have read I was asked in the Travel Up email to give a positive review and name the Customer Services Assistant. I shall do neither and will not use Travel Up again.