お昼の便はまだ空いてたんですけど、それに乗るためにはイベント開始後1時間くらいで片付けて引き上げないといけないので、それもなんだかなあと(^^;)

There were still afternoon flights available, but in order to catch one, I'd have had to clean up and get out in about 1 hour after the event closed, so I wondered if I could manage. (^^;)