Bloomberg Markets

Why It’s Getting Hard to Use Miles to Book Your Flight

ByK Oanh Ha
PublishedApr 22, 2026
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Most Important Insight
The transformation of airline loyalty programs into high-margin financial subsidiaries has created a 'shadow currency' glut that airlines are now aggressively devaluing to manage massive balance sheet liabilities.
Most Original Insight
Airlines have effectively become central banks that sell currency to credit card issuers at a premium while unilaterally devaluing the purchasing power of that currency for the end consumer to protect seat inventory.
Key Points
  • Airlines are shifting from fixed award charts to dynamic pricing models, linking the mileage cost of a seat directly to its fluctuating cash price.
  • The valuation of loyalty programs like United's MileagePlus, estimated at $22 billion, frequently exceeds the market capitalization of the airline's actual flight operations.
  • A massive oversupply of points has entered the system due to airlines selling billions of dollars worth of miles to banking partners like JPMorgan Chase and American Express.
  • Availability for 'saver' level awards in premium cabins has reached historic lows as airlines prioritize cash-paying passengers during periods of high travel demand.
  • The US Department of Transportation and the CFPB are intensifying scrutiny into whether loyalty program devaluations constitute 'bait and switch' marketing tactics.
  • Elite status requirements have pivoted from distance-based metrics to pure spend-based metrics, further alienating the traditional frequent flyer demographic.
  • Point inflation has seen some domestic one-way award tickets jump from 25,000 miles to over 100,000 miles in less than three years.
  • Airlines are increasingly using 'blackout' logic through algorithmic controls rather than published dates to restrict the redemption of miles on high-margin routes.
Investment Implications
Asset / Sector / Instrument Action Source Notes
Travel Technology Platforms BUY implicit As manual award searching becomes nearly impossible due to dynamic pricing, third-party tools that aggregate and find 'hidden' award value will see a surge in paid subscribers.
Major US Airlines (DAL, UAL, AAL) HOLD implicit While loyalty programs are high-margin, increasing regulatory scrutiny from the DOT regarding 'bait and switch' tactics poses a significant tail risk to these valuations.
Credit Card Issuers (JPM, AXP) HOLD implicit Banks are the primary buyers of miles; if consumer perception of mile value collapses, the attractiveness of premium co-branded cards will decline, impacting fee revenue.
Hang on a sec…
  • The claim that airlines are 'intentionally hiding' seats lacks evidence of malice; it is more likely a standard revenue management algorithm prioritizing cash revenue over liability reduction in a high-load-factor environment.
  • The author compares miles to a currency but ignores that, unlike a sovereign currency, miles are a private contract with no legal tender status, making 'devaluation' a contractual right rather than a monetary failure.
  • The suggestion that regulatory intervention will improve award availability is highly speculative; government price or inventory controls in the airline sector historically lead to higher base fares or reduced service.