My last flight LGW-DXB-SYD-ADL was delayed 2 hours in DXB, which meant I couldn't make my SYD-ADL flight. We had to fly SYD-MEL-ADL, with layovers in between, a

My last flight LGW-DXB-SYD-ADL was delayed 2 hours in DXB, which meant I couldn't make my SYD-ADL flight. We had to fly SYD-MEL-ADL, with layovers in between, adding an extra 8 hours to our already very long flight. I would definitely prefer to cut out one stop by taking LHR-DOH-ADL, LHR-PER-ADL, or this proposed LHR-SYD-ADL because of this. (Also because Emirates had disappointing service.) Google flights says LHR-PER-ADL has 14% lower emissions than LHR-DOH-ADL. No data for LHR-SYD-ADL given it doesn't exist yet.