Originally Posted by
blink188
....
Question is - when re-routed after a cancelled flight, does the ticket number change? ...
generally no, but it can happen
Originally Posted by
blink188
....I did not keep the new boarding passes to be able to check and I need to claim those missing miles. ...
As you now know, keeping BPs is a good idea, especially in irrops.
Good chance your MP account got dropped in the rebooking.
Another option is to request ORC ("original routing credit) but the FRA routing is roughly a 100 miles