Lounges

Since you are flying Delta from Detroit to Reykjavik, your situation is actually very good for lounge access. Here is the simple answer for your exact trip.

Lounges You Can Use at Detroit (DTW) for Your Delta Flight

You will depart from the McNamara Terminal, which is Delta’s terminal at Detroit.

1. Delta Sky Club (Your Best Option)

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With your American Express Platinum card, you can enter Delta Sky Club lounges when flying on a same-day Delta flight. (Delta)

Detroit has five Delta Sky Clubs in the McNamara Terminal:
    • Gate A18  
    • Gate A38 (largest one) 
    • Gate A43
    • Gate A68
    • Concourse C (smaller) (American Express)

What you get

Typical Sky Club amenities include:

    • Hot buffet and snacks
    • Full bar and espresso drinks
    • Quiet seating and work areas
    • Wi-Fi

Showers at some locations (American Express)

You may enter up to 3 hours before your departure. (American Express)

Important rule:
  • Your Amex Platinum gives 10 Sky Club visits per year unless you meet higher spending thresholds. (Delta)2. Minute Suites (Priority Pass benefit)

Location: McNamara Terminal near Gate A66

With Priority Pass, you typically get:
  • 1 hour free private roomSofa-bed, desk, TV, quiet space
  • This is not a food lounge—it is more like a nap or work room. (Priority Pass)

The Lounge I Recommend for Your Flight

For your Detroit → Reykjavik Delta flight, the best lounge is:

➡ Delta Sky Club at Gate A38

Reasons:

    • Largest lounge
    • Best food selection
    • Often quieter than the smaller satellite lounges


One Important Airport Detail

At Detroit:
  • Delta uses the McNamara Terminal
The Lufthansa lounge is in the other terminal and is not connected airside, so it is impractical for your flight. (UpgradedPoints.com)

 
✅ My practical suggestion

Arrive 2–2½ hours before departure.
    • Go directly to Delta Sky Club A38.
    • Eat there instead of in the terminal restaurants.