In theory probably. On sites like: https://matrix.itasoftware.com/search https://matrix.itasoftware.com/search https://www.flighthub.com https://www.flighthub

In theory probably. On sites like: https://matrix.itasoftware.com/search https://matrix.itasoftware.com/search https://www.flighthub.com https://www.flighthub.com https://www.ca.kayak.com https://www.ca.kayak.com any many others. In practice not so much, because of so called "code sharing" of flight numbers. https://en.wikipedia.org/wiki/Codeshare_agreement https://en.wikipedia.org/wiki/Codeshare_agreement Which can lead to sudden surprises, because the plane/carrier changed for whichever operational reasons at the last minute.