Originally Posted by sabbasolo

1 - Yes, you should print out your LY itinerary and show it to them at check-in, and politely insist they tag the bags all the way through to TLV. If they are reluctant, explain that a) LH have an interline agreement with LY which they can look up. b) it is not like USA where all arriving passengers go through customs, you will only be in transit

2 - 3 hours would be enough if flight arrives on time from DTW, but you will be doing a lot of walking ! It is a large airport.