Originally Posted by
keithguy
You can exceed this MPM by up to 25% by paying a fare that is proportionally higher in 5% increments. If you exceed MPM by 4%, you pay 5% extra on the base fare (in that direction). If you exceed MPM by 6%, you pay 10% extra on the base fare.
Is this standard for all airlines? Or is it carrier and/or fare specific? If it is not universal how would you know if applies to a carrier and/or fare?
Thanks!!