well, your not bad, but your not that great. first off, this is hard to give advice on becuz of three reasons.
1. its a recorded match from wifi. wifi makes the game laggier and thus less skillful. the recording also alters some parts of the game.
2. your playing against a ganon, who is big, slow and easy to combo. for a criticism-oriented vid, try facing a fox or something
3. the ganon player is not very good. try facing someone closer to ur skill level, if u can.
now for the real points.
1. you used Nair slightly 2 much. try to mix in some more Dairs and tilts, and preferably use the Bair much more frequently
2. you missed the chain-spike on the second stock. make sure to practice those, and remember u have to short-hop it.
3. go for more edge-hogs/ off-stage spikes. falcos second jump makes it easy to come back to the stage.
Overall, you have a decent falco, and i commend your effort of obtaining critisizm for improving your game. stick with falco, hes an amazing character. Good luck.