Originally Posted by UA_Flyer

Cannot speak for other days, but my April 2nd flight was on 777XI/XC confiuration. Unitedcargo.com listed TPE-NRT as 747 ( which is correct), but showed blank under aircraft type for NRT-SFO. You are right about other days where unitedcargo.com showed 747. Not sure why

Also, it lised 747 for NRT-SIN (837) on April 1st... not sure that's correct either, because that aircraft was used for my 838 flight on April 2nd (SIN-NRT) which was a 777.