Originally Posted by
Sykes
The DOT requires carriers to process credit card refunds within 7 business days of the cancellation, so I'd give them that plus a bit of buffer to give your card issuer time to process it.
OP is asking about a TravelBank reservation; I'm not sure if there's a specific DOT timeframe for refunds to internal forms of payment, but, honestly, how long can it take? This is just UA not caring.