The Sony WH-1000XM4 headphones are very similar to the predecessors, not been to a single airport, and so haven't been able to test this.
Sony WH-1000XM4 Wireless Noise Cancelling Headphones Review - PowerUp!
Sony WH-1000XM4 Industry Leading Noise Canceling Headphones “Real Review
Sony WH-1000XM5 vs AirPods Max: The New King of Headphones! — Eightify
Sony WH-1000XM4 Noise Canceling Wireless Headphone
Sony WF-1000XM5 vs WH-1000XM5 vs WH-1000XM4 Impossible To Compare?! 🤔 — Aaron x Loud and Wireless
Sony WH-1000XM4 Review: The Best Headphones Get Even Better
I tested Sony's WH-1000XM5 against AirPods Max, and Apple's still the king… mostly
Sony WH-1000XM4 Noise Canceling Wireless Headphone
SONY WH1000XM4/LM Bluetooth Headset Price in India - Buy SONY WH1000XM4/LM Bluetooth Headset Online - SONY
Review: Sony WH-1000XM4 - The New King Of Noise Cancelling, the king of tester
MKBHD - NEW VIDEO - Sony WH1000XM3 Review: A New ANC King!
Sony WH-1000XM4 Review: The Best Headphones Get Even Better