Edit: the Montreal Convention doesn't apply to you. The maximum liability for you is $3,500.
What does the bag tracking show?
Here is all the information you could need to know about liability limits and exclusions, pasted straight from the
Contract of Carriage.
1. General Limitation of Liability For Loss of, Damage to, or Delay in Delivery of Baggage
Delta’s liability for the loss of, damage to, or delay in the delivery of a fare-paying passenger's personal property delivered into Delta’s custody, including checked baggage and carry-on baggage tendered to Delta's in-flight personnel for storage during flight or otherwise delivered into the custody of Delta, shall be limited to proven damage or loss. Actual value for reimbursement of lost or damaged property shall be determined by the documented original purchase price less any applicable depreciation for prior usage.
Under no circumstances shall the liability for loss of, damage to, or delay in the delivery of baggage exceed $3,500 per fare-paying passenger. These limitations shall also apply to baggage or personal property accepted by Delta for temporary storage at a city or airport ticket office or elsewhere before or after the passenger's trip.
1. Items Deemed to Be Fragile, Perishable, or Precious
The classes of items listed below are deemed to be fragile, perishable, precious, or otherwise unsuitable as checked baggage and will not be accepted as baggage, except as set forth in subsection, F.2., below.
a) Artistic Items
Vases, figurines, ceramic articles, trophies, paintings, sculpture, antique furniture, and similar objects of art.
b) Electronic and Mechanical Items
Television sets, radios, amplifiers, speakers, tape recorders, video recorders, DVD players, digital music or video devices, electronic communications devices, calculators, computers, typewriters, dictation equipment, and similar electronic or mechanical items.
c) Glass
Terrariums, mirrors, crystal, china and glass containers for liquors, wines, beer, liqueurs, and perfumes, and similar items fabricated from glass or similar materials.
d) Infant Items
Fragile items for infant care, including without limitation strollers and car seats.
e) Jewelry or Precious Metals
Jewelry, silverware, precious metals, and similar highly valuable items.
f) Musical Instruments And Equipment
Guitars, violins, trombones, drums, and other musical instruments or equipment.
g) Perishable Items
Fresh or frozen foodstuffs such as fruits, vegetables, meats, fish, poultry, and bakery products; floral and nursery stock such as flower, fruit, and vegetable plants; cut flowers and foliage such as floral displays; and similar items of a perishable nature.
h) Photographic/Cinematographic Equipment
Cameras, lenses, flash bulbs, projectors, video cameras, and other photographic or cinematographic equipment
i) Precision Items
Microscopes, oscilloscopes, meters, counters, polygraphs, scales, and similar precision equipment.
j) Recreational And Sporting Goods
Fragile recreational or sporting goods of any kind, including without limitation archery equipment, golf clubs, tennis rackets, skis, fishing rods, sculls, surfboards, scuba diving masks and pressure gauges, scopes, sporting trophies such as animal horns and antlers, skin diving gear, model airplanes, bicycles, backpacks, knapsacks, sleeping bags, and tents made of plastic, vinyl, or other easily tearable material with aluminum frames, outside pockets, or protruding straps and buckles.
k) Toys
Dolls, dollhouses, model trains and airplanes, and similar toys of a fragile nature.
l) Valuable or Fragile Papers
Cash, cash equivalents, securities, negotiable instruments, irreplaceable documents, advertising displays, models, sketches, blueprints, maps, and other valuable or fragile paper materials.
m) Other Fragile or Perishable Items
Any item not otherwise listed above which, by its nature or packaging, is subject to damage or spoilage during its carriage as checked baggage, despite exercise by the carrier of ordinary care in its handling.
2. Acceptance of Fragile, Perishable or Precious Items
a) Duty to Identify Fragile, Perishable, or Precious Items
The passenger must identify all fragile, perishable, or precious items contained in any baggage tendered to Delta for carriage at the time of check-in.
b) Precious or Highly Valuable Items
Precious or other highly valuable items, including without limitation cash, cash equivalents, securities, negotiable instruments, irreplaceable documents, jewelry, silverware, precious metals, works of art, computers, electronic equipment, photographic equipment, and any other items that cannot be easily replaced if lost or damaged may not be transported in checked baggage.
c) Acceptance of Properly Packaged Fragile Items
Except as provided below, fragile items will be accepted as checked baggage only if, in Delta’s sole determination, the items are appropriately packaged in an original factory-sealed carton, cardboard mailing tube, a container or case designed for shipping such items, or packed with protective internal material sufficient to protect the items from damage during ordinary handling, and are otherwise suitable for transport under these rules.
d) Acceptance of Other Fragile or Perishable Items
Perishable items and fragile items not accepted by Delta pursuant to the preceding section may be accepted upon the condition that the passenger agree in advance and in writing to release the carrier of liability for loss or damage resulting from the unsuitability of such items as checked baggage and/or the inadequacy of their packaging, in a Limited Liability Release form to be provided by Delta.