NW international flight from MSP to NRT. Delayed several hours for a mechanical, which then turned into a weather issue (was too cold to refuel the plane, they said), then cancelled because the staff was no longer legal. Spent 6 hours on tarmac just sitting there. No food or drink, didn't let us off the plane despite saying they would. Told my sister when she called the airline that the flight had taken off! Rebooked us for about 20 hours after the original flight. Lost time with friends and family overseas and incurred extra expenses.

Got a voucher good for $200 or 25,000 Skymiles. Is that below avg, avg, or above avg?