请问一下关于航空公司的来信

RENSHENGXIAOSA

AIR CANADA
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0 F  h% u& d4 Y4 E  M2 yEffective April 10, 2013, check-in and baggage acceptance for flights within Canada will close 45 minutes prior to departure – with the exception of flights leaving from Toronto’s city airport (YTZ), where check-in and bag drop-off will remain available until 20 minutes before departure.
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0 F- W7 _1 }! c9 J: zWe invite you to check in online or with your mobile device at any time within 24 hours of flight departure, and to familiarize yourself with our check-in and boarding gate deadlines to allow for a smooth travel experience.
这封信是什么意思，我英语不好，所以有英语好的大侠帮看一下。

sonicho

4月10号的飞机在起飞前45分钟停止CHECK IN和行李托运，多伦多城市机场例外是20分钟前停止，后面没啥，告诉你可以用上网或移动设备CHECK IN. 最好能知道登机口在哪儿好让你方便登机来自: Android客户端

RENSHENGXIAOSA

谢谢，我妈是9月份的机票，跟这没什么关系，就是提前去机场就可以了。

littlefish2011

是4月10日以后的航班，都有用的

RENSHENGXIAOSA

哦，就是让提前到机场办理手续了。谢谢你