Originally Posted by
gustavmahler
I'm not sure if the timings work on this but I have always had the first sector of the ex-EU be the day before the long haul (as I'm sure many people do). We live in London so we did LHR-DUB-LHR, went home for the night and then picked up our luggage and carried on to Denver the following morning. Of course this was within 24 hours so there was no extra charge.
If the LHR-DUB goes wrong you are in the same situation as OP, so this doesn’t give you any extra security.