Business Platinum vs Delta Reserve Business: which lounge card fits?

Same networks, different strings#

Both cards are American Express products and both list Delta Sky Club and Centurion Lounge. The conditions are what differ. On the Delta SkyMiles Reserve Business, both networks open only when you are flying Delta the same day. No Delta boarding pass, no lounge.

The Business Platinum Card puts the same-day Delta rule on Sky Club alone. Centurion access stands on its own. It then adds Priority Pass, Plaza Premium, and Escape Lounges, none of which the Delta card has.

What the fee gap buys#

The Business Platinum costs $895 a year, the Delta Reserve Business $650. For a company whose travel is overwhelmingly Delta, especially through Delta hubs where Sky Club coverage is dense, the cheaper card does the job and the extra networks would go unused.

The moment itineraries stray, the Business Platinum takes over. A Centurion Lounge before a flight on another carrier, a Priority Pass lounge abroad, a Plaza Premium stop on a connection: each of those needs the pricier card. It is also the sensible pick for a business whose people fly a mix of airlines and want one card that works everywhere.

Decide on your own routes#

Write down your next three likely airports and count the lounges each card would open on the airline you actually book. The same-day boarding-pass rule governs most of the Delta card's value, so weigh it honestly. I'd check enrollment requirements, visit caps and guest charges for each network, and confirm current terms with the issuer before applying. Our methodology describes how these grants are recorded.

Putting this into practice#

I would start this comparison with the next few trips already likely to happen. For each card, I'd list the lounges that fit those airports and departure areas, then remove locations that would require an impractical detour. That is a more useful comparison than adding up every lounge in a worldwide network, most of which may never help with those trips.

Guest rules deserve their own line in the calculation. A card that works well for one person can be a different proposition for a couple or family. I'd compare the cost for the party that actually travels, including any separate membership or additional-card charge. I would not assume a benefit on one version of a card applies to another version.

The annual fee is only part of the decision. I would value other benefits at the amount I would realistically use, rather than automatically count a credit at face value. A benefit that requires a booking I would not otherwise make does not reduce my costs in the same way as money saved on an existing plan.

The trade-offs I would check#

I would check enrollment and the credential needed at reception before relying on either card. Some benefits are used through a separate membership rather than by showing the payment card. The issuer's current terms should settle the visit allowance, guest treatment and any airline or fare restriction. The comparison above helps identify the differences worth checking.

Related reading#

• Business Platinum vs Sapphire Reserve Business: which lounge card fits?
• Amex Platinum vs Delta Reserve: which lounge card fits?
• Delta Reserve Business vs United Club Business: which lounge card fits?