Originally Posted by
RobOnLI
Do you remember what the ticket number started with that you got from DL and brought over to UA? If it started with 006 that means it was still ticketed by DL and would be DL issue.
This is absolutely incorrect information. Please do not guess at the answer
Airlines have "interline" agreements. Most airlines in the world can issue tickets for travel on other airlines in the world. That has NOTHING to do with who is responsible for IDB or other service issues like this. If the passenger has a confirmed reservation ("HK") and a ticket number, the airline whose metal you are flying is responsible. UA has agreements with the following airlines. It doesn't matter WHICH of these airlines actually did the ticketing. UA must accept the ticket and the passenger.
AGREEMENTS WITH:
AA AB AC AF AH AI AM AP AS AT AV AX AY
AZ A3 A4 A9 BA BD BG BI BP BR BT BW B8
CA CH CI CM CO CS CX CY CZ C9 DB DE DL
DT D6 EI EJ EK EN ET EV EY FB FI FJ FL
FM FT FV FW F9 GA GE GF GU G7 HA HI HM
HU HX IB IC IE IG IQ IR IT IY IZ JA JJ
JK JL JM JO JP JU JV JZ KA KC KE KF KL
KM KQ KS KU KX LA LG LH LI LO LP LR LW
LX LY MA MD ME MH MI MJ MK MM MN MP MQ
MS MU MW MX NF NG NH NK NU NV NZ OA OH
OK OM OO OS OU OV OZ PG PH PK PR PS PU
PX PY PZ QF QI QR QX RA RJ RO RU R7 SA
SB SK SN SP SQ SU SV SW SZ S2 S7 TA TG
TK TM TN TP TU T0 UA UK UL UM UN UO UP
US UX U8 VH VN VO VR VS VW V3 WF WM WP
WY XF XJ XL XX YR YV YX ZK ZW Z5 2F 2M
3M 4M 4Q 5L 6U 7F 7H 9E 9K 9L 9U 9W