Under the seat
No box published
The airline prints no size for the personal item.
DL Cabin allowance · October 2026
Two slots, two sets of numbers. The under-seat box travels free of charge on most fares; the locker is where the fare starts to matter.
Under the seat
No box published
The airline prints no size for the personal item.
Overhead locker
56 × 35 × 23 cm
Weight is not capped, so the sizer at the gate has the final word.
No weight ceiling published
The under-seat fit
Delta Air Lines publishes no under-seat box, or no bag here clears it. The locker list below is the useful one.
The locker fit
40 × 30 × 20 cm · under-seat class · 5 / 5
Clears 5 of 18under-seat frames
$59.55
40 × 30 × 20 cm · under-seat class · 4.7 / 5
Clears 5 of 18under-seat frames
$79.13
40 × 30 × 20 cm · under-seat class · 4.7 / 5
Clears 5 of 18under-seat frames
$80.60
40 × 30 × 20 cm · under-seat class · 4.6 / 5
Clears 5 of 18under-seat frames
$53.47
40 × 30 × 20 cm · under-seat class · 4.6 / 5
Clears 5 of 18under-seat frames
$63.10
40 × 25 × 20 cm · under-seat class · 4.7 / 5
Clears 6 of 18under-seat frames
$70.58
40 × 25 × 20 cm · under-seat class · 4.6 / 5
Clears 6 of 18under-seat frames
$68.10