[QUOTE=Adam Smith;36377644]My dad did LJU-MUC-YUL-YYC (LH-LH-AC) the other day. Bit of a weird experience with bag tracking:

• The app notified when the bags were accepted at LJU; oddly, they were labelled as "received from connecting flight"
• No further scans or notifications at LJU
• No scans or notifications at MUC
• No arrival scan at YUL; first scan was when it was "preparing to load" on the YYC flight (a couple hours before the flight)

I'm not shocked that there was no info from the intermediate steps with LH, but a bit surprised that there was a scan at LJU if AC and LH's systems aren't hooked up? I had kind of figured there wouldn't be any news at all about the bags until they got in to AC's hands.
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The first message is when the tag is created or the tag from another carrier is entered into AC system. The only scans you would see is related to AC metal so prep to load, load, unload, dispense to carousel realtwd to the AC flight YYC-YUL. Seems system worked as intended in this case.