Not sure where to post this question, but since I'm looking to ticket through Delta, here goes..
TL, DR: Is there a rule governing which airline/booking class I can choose when interlining? Or can I choose any available flight, as long as the published routing/fare basis rule is met?
I'm looking to purchase a Delta numbered ticket ATL -> GMP one way 12/06/23, with a layover in TYO (as opposed to any US cities).
UKX8WNMD Fare from ATL->SEL allows a layover in TYO and an interline from TYO to GMP (SEL includes both ICN and GMP)
Routing from ExpertFlyer
1. ATL-ATL/CVG/DTT-ATL/DTT/MSP/SLC-PDX/SEA-HNL/KOA/LIH/OGG-
ITO/KOA/LIH/OGG-HNL-NGO/OSA/TYO-DL/KE/LJ/NH/OZ-SEL
Fare rules from ExpertFlyer
TRANSFERS IF THE FARE COMPONENT INCLUDES TRAVEL BETWEEN AREA 1
AND AREA 3
THEN THAT TRAVEL MUST BE ON
ONE OR MORE OF THE FOLLOWING
ANY DL FLIGHT OPERATED BY KE.
UNLIMITED TRANSFERS PERMITTED IN EACH DIRECTION
ANY COMBINATION OF THE FOLLOWING -
UNLIMITED ONLINE ON DL
1 INTERLINE INCLUDING DL
UNLIMITED ONLINE IN AREA 1/AREA 3 IN EACH
DIRECTION
1 PERMITTED INTERLINE IN AREA 3 IN EACH
DIRECTION.
FARE BREAK SURFACE SECTORS NOT PERMITTED AND
EMBEDDED SURFACE SECTORS PERMITTED ON THE FARE
COMPONENT.
UNLIMITED TRANSFERS PERMITTED IN EACH DIRECTION
ANY COMBINATION OF THE FOLLOWING -
UNLIMITED ONLINE ON DL.
AND - 1 TRANSFERS PERMITTED IN EACH DIRECTION
ANY COMBINATION OF THE FOLLOWING -
1 INTERLINE INCLUDING DL
IN AREA 1 IN EACH DIRECTION.
AND - 1 TRANSFERS PERMITTED IN EACH DIRECTION
ANY COMBINATION OF THE FOLLOWING -
1 INTERLINE INCLUDING DL
IN AREA 3 IN EACH DIRECTION.
FARE BREAK SURFACE SECTORS NOT PERMITTED AND
EMBEDDED SURFACE SECTORS PERMITTED ON THE FARE
COMPONENT.
Can I pick any operating carrier/flight/booking class, as long as it's within Economy?
On ITA Matrix, using the extension code "F ..UKX8WNMD ; AIRLINES DL KE LJ OZ NH" shows only NH flights for the HND->GMP portion. Removing NH from that extension code will show no results.
Maybe it's a system glitch and if I call Delta directly, I'd be able to book with any of the KE/LJ/OZ/NH flights? Or maybe there is some rule that forces me to book NH.
Also, ITA Matrix's result shows a booking class K for the HND->GMP segment? Why K? Why not use U, which is the class for the original DL fare? Why not other booking classes?
Atlanta (ATL) to Tokyo (HND) on Wed, Dec 6
9:15 AM to 2:10 PM (14h 55m)
Delta 295
Airbus A350
Economy (U)
LAYOVER IN HND (1H 45M)
Tokyo (HND) to Seoul (GMP) on Thu, Dec 7
3:55 PM to 6:35 PM (2h 40m)
ANA 865
Boeing 787
Economy (K)