Delta Air Lines

Age cutoffs, fees, and connection rules for unaccompanied minors vary sharply by US airline on international flights — here’s the full breakdown.

Delta Diamond and Platinum get real Virgin Atlantic perks — but Heathrow’s Clubhouse requires a premium cabin, while US Clubhouses don’t.

Codeshare credit depends on which program you pick, not who operates the flight — and lounge access depends on alliance vs. bilateral partners.

SkyTeam Elite Plus unlocks Delta Sky Clubs internationally only — Delta’s own Medallion elites face a stricter cabin rule than partner status.