Was flying out on AS so had to trek to T2 and reclear security. I was advised to allow 30 minutes here for the transfer.

When I checked in, they thought 20 minutes would be adequate. Here's my experience.

AMEX CL add in T4 tunnel to Skytrain

End of skytrain (for now) in T3

Walkway from T3 to T2

Looking back from T2 towards T3

T2 landside lobby (when entering from T-3 to T-2 walkway)

Nice flight monitors in T2

My QX a/c

And the big question? How long did it take?


This long.
17 minutes to arrive on the airtrain at T3 from the T4 AMEX CL *waiting a few minutes for train to arrive. Be careful, as the train does not use the whole platform.
5 minutes to walk to T2.
3 minutes to clear security and walk to my gate.
25 minutes total.

Imagine for T3 it'll take about 20 minutes total as there is no walk between terminals. This was also done with pre-check which helps.