Routes are disappearing, planes grounded, baggage charges rising, and now airlines are employing every tactic to lighten their loads to save fuel bills.
The volcano has already caused severe disruption to flights in South America, with planes grounded for several days in Chile, Argentina, Uruguay and Brazil.
Boeing's reputation has taken a blow in recent months after its latest Dreamliner 787 planes were grounded after batteries on some planes emitted smoke.
Boeing delivered just one 787 before the planes were grounded in January because of overheating batteries.
Officials later pointed to faulty battery systems in recommending the planes be grounded.
Japan's All Nippon Airways has resumed commercial flights of the Boeing 787 Dreamliner for the first time since the planes were grounded over safety fears.
The 24-year-old defending champion will fly with several other Kenyan competitors whose plans for Sunday's race changed after planes were grounded by volcanic ash.
The board has not so far said the battery problem would endanger the safety of the plane in flight nor recommended that the planes be grounded.
The supersonic planes were grounded for an extensive refit after the crash near the Charles de Gaulle airport in Paris, which claimed the lives of 113 people.
Many flights have been cancelled as a result, and as the planes remain grounded amid an ongoing investigation, there have been fears over the impact on airlines' profits.
Airlines across the region slashed flights, grounded planes and planned sweeping staff cuts in response.
Boeing's 787 Dreamliner planes have been grounded since mid-January after problems with its lithium-ion batteries.
That had led to concerns that the planes might remain grounded for a while pending possible further investigations to sort out the issue.
Passengers who were stuck on grounded planes for long hours had complaints that included temporary loss of heat, lack of food and deteriorating restroom conditions.
The agency acknowledges there is no evidence that the grounded planes posed risks to passengers, though it says that doesn't give airlines the right to not follow specific procedures.
However, earlier this week, Japan's transport ministry said that safety inspectors had found no faults with the battery, leading to concerns that the planes might remain grounded for a while.
BBC: Dreamliner: Japan's airlines say they changed batteries
When an Icelandic volcano grounded planes from Europe two years ago, many top European runners missed out on the Boston Marathon, as prestigious a running event as the New York race.
But earlier this week, Japan's transport ministry said that safety inspectors had found no faults with the battery, leading to concerns that the planes might remain grounded for a while as further investigations may be needed to sort out the issue.
You can watch the planes but still be grounded, if only for a short break in the middle of your day.
All of the 50 Boeing 787 planes in service were grounded in mid-January after their lithium-ion batteries emitted smoke on several separate occasions.
BBC: Boeing's Dreamliner battery fix approved by US regulators
Thirty-six hours of heavy rains paralysed aid deliveries in the south on Thursday and on Friday morning, with all helicopters and planes at Maputo airport grounded.
Two Japanese airlines voluntarily grounded their planes before FAA's order.
Businesses of all types were affected, from fine dining restaurants in Asia that were unable to receive their foie gras shipments from Paris, to the recipients of U.S.-bound contracts stuck on grounded FedEx planes at Heathrow.
What was on the Federal Aviation Administration's mind when it grounded hundreds of planes this week--politics or safety?
The New York Times reports that Boeing is producing a Dreamliner a week at its production facilities in Everett, Wash. and Charleston, S.C.. But since the 787 is grounded, those planes are piling up.
The airline had 51 planes in operation when it was grounded but will return to operation with only nine.
Light aeroplanes at Cardiff International Airport were turned over and pushed around while planes at airports around the UK were grounded, stranding thousands of passengers.
Last week's order to ground the planes - in the US air force, army and Marine Corps - marked the second time in two months planes from the F-35 range have been grounded.
JetBlue says that Bradley was simply overwhelmed by too many diversions, and that its grounded flights were lower priority than bigger international planes.
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