Sorry if this has been discussed before, but the timeout on the FT search engine makes it hard...

Anyhow, Mrs. Aerokitty is going to join me in Europe, and will be flying SFO-STR in middle of Sept. Only routing that will keep us out of the poor house is:

UA218 SFO arriving IAD 1749
UA920 departing IAD at 1824, arriving LHR 0655 +1
UA9242 departing LHR 0825 arriving STR

Is 35 mins in IAD sane? It must be legal since .com offers it up...
How about 1 hr 30 min at the nightmare known as Heathrow?

Don't want to send the Mrs. on a trip that is likely to be a nightmare...