How Airline Boarding Groups Actually Work

Why airlines have so many groups

Boarding is a logistics problem: load 180 people in 25 minutes without breaking the schedule. Airlines optimize for door close, not your in-flight experience. They group people by status, fare class, and bag-need to minimize aisle conflicts.

The major US carriers, simplified

• Delta: Pre-board → Delta One → Premium Select → Comfort+ → Sky Priority (status & Diamond) → Main 1–4.
• United: Pre-board → Group 1 (Polaris/First/1K) → Group 2 (Premier) → Groups 3–6.
• American: Pre-board → Group 1 (ConciergeKey/EXP) → 2 (PLT) → ... → 9 (basic economy).
• Southwest: A1–60, B1–60, C1–60 by check-in time and EarlyBird.
• JetBlue: Even More Space → Mosaic → Group A → B → C → D.

How to board earlier without status

1. Check in exactly 24 hours out (Southwest especially).
2. Buy EarlyBird or upgrade-to-extra-legroom when bag space matters.
3. Use a co-branded credit card that offers priority boarding.
4. Ask the gate agent politely to switch groups if you have a tight connection.

Why all this matters

Earlier groups get bin space. On a full flight, basic economy bins fill before B group boards. Knowing your group lets you plan: wait at the gate or hover by the door.

See your boarding group in FlightyFlow →