U.S. carriers on Tuesday said travel demand has roared back after a blip caused by the Omicron coronavirus variant and would remain strong enough to help them offset a run-up in fuel costs with higher fares. Atlanta-based Delta Air Lines Inc. said it was seeing an “unparalleled” increase in demand, resulting in the highest ticket…

American Airlines estimated on Tuesday a smaller-than-expected adjusted loss for the third quarter and signaled improved bookings for the rest of the year, betting on increased holiday demand and a lifting of travel bans. U.S. carriers had tempered their outlooks for the September quarter as the Delta coronavirus variant slowed new bookings and drove up…