Hello Everyone - long time reader, finally joined in order to post this question. I just booked flight AC305 YUL-YVR on October 28, and was astonished to see a flight time of nearly 6 hours (5:58): I fly this route regularly and it is always 5:30. I looked at the previous day, Oct 27, and it was only 5:30 - same flight, same equipment (737 Max). Upon further investigation I found that ALL flights were slower as of Oct 28 (i.e. every date after Oct 28), including YYZ to YVR.

I called AC and spoke with two different agents, neither of whom knew anything about it. I have written to Customer Relations but as yet have had no response.

Has AC decided to fly slower in order to conserve fuel, and simply hopes that no one will notice? A half-hour extra flight time is definitely noticeable, and is unacceptable.