Originally Posted by
swan76
Last flight on United SFO-LHR I my flight was changed causing me to miss connection in IAD; overnight then next flight to LHR delayed 3 hours. Arrival in London almost 1 am. Is there any way to be guaranteed flight schedule?
In short, no. There's available space limitations out there (I.E. Sold out flights). And whatever they put you on can still cancel.