EL AL is a completely different situation, there is also non-scheduled traffic using those routes.


Here are the relevant NOTAMs:

A0040/17 - THE FOLLOWING ATS ROUTES ARE STILL CLOSED WITHIN THE DJIBOUTI
AIRSPACE.
1.UR993/R993 BETWEEN DTI VOR/RAGAS
2.UR775/R775 BETWEEN DTI VOR AND MANDA
A.NOTHERN TRAFFIC IN AND OUT OF DJIBOUTI AIRPORT MUST USE PARIM OR
TORBA POINTS.
B.OVER FYLING TRAFFIC MUST USE THE ALTERNATE ROUTE PARIM ABEAM DTI
DIRECT HARGEISA AND VICE VERSA. AIRCRAFTS WHATEVER THEIR ALTITUDE MAY
BE, MUST CONTACT DJIBOUTI APPROACH ON 121.1MHZ OR 122.10MHZ AT LEAST
10 MINUTES PRIOR TO THEIR ESTIMATED TIME OVER THE ENTRY POINTS OF
DJIBOUTI AIRSPACE. THEY MUST ALSO UPON REACHING 80NM OF DJIBOUTI VOR
SET SQUAK, IF EQUIPPED WITH SSR A2000 FOR OVER FLYING AND A4300 FOR
LANDING AT DJIBOUTI AIRPORT. DUE TO THE PREVAILING SITUATION IN THE
SUB-REGION, ALL OPERATORS ARE REMINDED FOR THEIR SAFETY TO FULLY AND
STRICTLY COMPLY WITH THE ABOVE INSTRUCTION.


A0032/17 -
ATS ROUTE UA451 CLSD WITHIN THE ETHIOPIAN AIR SPACE (REF OUR NOTAM
A0101/09) AND ALSO ATS ROUTE W180 (REF JEPPSEN CHART A(N/L)9/10 IS
UNKNOWN TO ADDIS ACC AS A NUMBER OF CONFLICTING TRAFFIC ARE BEING
ENCOUNTERED AT PARIM AND MANDA, ADDIS CENTER WILL NOT ACCEPT ANY
FLIGHT OPERATING ALONG THE ABOVE INDICATED ATS ROUTE FOR THE INTEREST
OF SAFETY. FAILURE TO COMPLY WITH THE ABOVE REQUIREMENT WILL BE THE
SOLE RESPONSIBILITY OF OPERATORS AND PILOTS IN COMMAND OF THE
AIRCRAFT CONCERNED.


A0031/17 - THE NUMBER OF CONFLICTING TRAFFIC ARE STILL BEING ENCOUNTERED AT
REPORTING POINT MANDA AND PARIM. DUE TO POOR ATS COORDINATION WITH
SOME ATS UNITS IN THE AREA AND ALSO SOME PILOTS ARE OPERATING ALONG
NON-EXISTING ATS ROUTE IN VIOLATION TO ADDIS NOTAM. ATS ROUTE UA451
IS CLOSING WITHIN THE ETHIOPIAN AIRSPACE AND ATS ROUTE W180 IS ALSO
UNKNOWN TO ADDIS ACC.PILOTS AND OPERATORS OF AIRCRAFT ARE STRICTLY
ADVISED NOT TO USE THE ABOVE ATS ROUTE FOR INTEREST OF SAFETY.
FAILURE TO COMPLY WITH THE ABOVE NOTAM WILL ENTAIL SEROUS SAFETY
CONSEQUENCE.