Northwest Airlines Wednesday night initiated an $80 roundtrip airfare increase on over 4,000 routes for both leisure and business travelers.
The airline was careful about attempting to raise fares only on routes without significant low-fare competition.
The fare increase attempt, which could be withdrawn if competitors don’t match it, is the first in about a month by a major U.S. airline.
Previously airlines had been initiating about one airfare increase attempt a week. Airlines have initiated 21 wide ranging airfare increases this year, said Rick Seaney, chief executive of FareCompare.com.
Though crude oil prices…