United Airlines

Walk down the jetbridge with an underseat bag packed for the journey, not a last-minute repack at the gate.

Checked against official United Airlines baggage rules · Nov 2026

Under the seat

9 × 10 × 17 in22 × 25 × 43 cm
Free on every ticket

Overhead bin

9 × 14 × 22 in23 × 35 × 56 cm
Paid add-on on lowest fare

Sized to United Airlines’s exact cabin limit · Picked by frequent flyers

See bags that fit