The following link on DL's website doesn't help matters:
http://www.timaticweb.com/cgi-bin/tim_website_client.cgi?SpecData=1&VISA=&page=visa&NA=IL&AR=00&PASSTYPES=PASS&DE=SA&user=DL&subuser=DELTAB2C
To be fair, it's not either of the airlines' fault that the country has those requirements.
For those who don't know (maybe you don't Eric), Timatic is a travel industry resource to verify documentation. It is not maintained by any specific airline, including DL, nor does the information reside with DL... you will note that the request is linked directly to Timatic which is a service of IATA. The link which you quote, Eric, specifically says "Information sourced and provided by IATA."
Other US airlines do not provide the ability to verify documentation for international traverlers using Timatic or other resources; DL provides it to minimize the number of passengers who book their own tickets yet are not aware of the travel requirements for each country.
Also, remember the horrible fiery crash at Jedda several years ago? The fire started because passengers were cooking on hibachi type stoves in the aisles. Is Delta prepared to allow this? Seems the pilgrims don't eat airplane food. Not (whatever is the Moslem equivalent of) kosher. No pun intended.
Have you ever seen a hibachi or any other flammable device allowed on any US passenger aircraft, regardless of the point of origin? Not surprisingly, most other countries don't allow flammable devices onboard their aircfraft either. I would bet that Saudi Arabia has the same law too. now.
Again, to be fair, any carrier in any alliance would have to apply the same policy.
It is also why some carriers avoid directly serving the country. Those who do are doing so eyes open as to the risks and PR landmines like this.
Honestly, I've never met anyone of Jewish faith who wanted to travel to SA. Most people I know who do business in the Gulf states insist on having their meetings in DXB or AUH, and Israel figured out long ago that not stamping passports is good for tourism...
DL has taken a risk at including Saudi Arabian Airlines in the Skyteam alliance and by doing so, becomes the only US airline that will codeshare on flights nonstop between the US and SA.
But the documentation requirements have nothing to do with whether the flight is nonstop or not. ... airlines are required to insure that passengers have the correct documentation or face hefty fines.
If AA or any other airline checked in a passenger with an Israel passport and a destination of Saudi Arabia even if AA was only carrying the passenger as far as LHR or another carrier's hub, they would likely not board the passenger either.
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The requirements have nothing to do with the Jewish faith. It has to do with the nationality of the passport holder.
Jews with a passport other than from Israel and who have no visas or entry/exit stamps from Israel are not affected.