Larry McMillan's subscribers doubled their money in call options on Ctrip.com (CTRP) and United Airline's parent UAL Corp. (UAUA).

FORBES: Magazine Article

Earlier this month, Delta's shares soared on a rumored union with Chicago-based United Air Lines (nasdaq: UAUA - news - people ).

FORBES: Delta's Operations In New Hands

The announcement made United Airlines parent UAL (nasdaq: UAUA - news - people ) follows on the heels of similar moves taken by others in the industry.

FORBES: Continental's Capitulation

American Airlines was the first to announce checked bag fees, which have since been employed by US Airways and UAL (nasdaq: UAUA - news - people )'s United Air Lines.

FORBES: Airlines' Cry For Help

Earlier this week, NBAA President Ed Bolen sent UAL 's (nasdaq: UAUA - news - people ) United Airlines chief Glenn Tilton a scathing letter after Tilden spammed United's frequent flyers on the issue.

FORBES: The Skies Get Unfriendly

Meanwhile, United Airlines (nasdaq: UAUA - news - people ) is still emerging from bankruptcy, while American Airlines (nyse: AMR - news - people ) has been teetering on the edge of bankruptcy for a while.

FORBES: Friendly Skies

Industry experts are generally upbeat on the immediate futures of recently troubled legacy carriers like Delta, UAL 's (nasdaq: UAUA - news - people ) United Airlines and AMR 's (nyse: AMR - news - people ) American Airlines, believing they have seen the worst and that cost-cutting initiatives have industry balance sheets under control.

FORBES: Big Airlines Are Back