iPhone Air vs iPhone 17

156.2 mm149.6 mm74.7 mm71.5 mm

iPhone Air: 156.2 × 74.7 × 5.64 mm · 165 g
iPhone 17: 149.6 × 71.5 × 7.95 mm · 177 g

Source: Apple technical specifications for iPhone Air and iPhone 17. Body dimensions exclude the camera bump; foldable phones are shown folded.