Originally Posted by Rejuvenated
It's not going to cause much complications except for the fact that your airfare will skyrocket compared to flying the same carrier rt.
That's not always true. I've gotten some weird combinations out of Expedia. I had to find my girlfriend a flight to PHL in May. The cheapest flight I could find was AA ORD->PHL with a US/UA return leg (US: PHL-RIC UAexpress: RIC->ORD).