DEAR TRAVEL TROUBLESHOOTER: I’m an American Airlines frequent flier, and I recently booked an award ticket with Japan Airlines, an American partner. The flight was from New Delhi to Haneda Airport, ...

A day before Satrupa Kagel’s flight from Tokyo to San Francisco, she found out that American Airlines had canceled her ticket. Is she on the hook for the $3,548 that she had to spend for a last-minute ...