Short answer
Check the processing window first, then compare the delivery estimate with your timing needs.
Free FAQ builder entry
Free Shopify returns page FAQ answer builder for shipping timing
Open the free browser builder with a focused starting point for shipping timing on a Shopify returns page. No payment, no login, no email capture.
Surface: returns pageConcern: shipping timingFree toolFAQPage JSON-LD
What to avoid
Do not promise exact arrival dates unless the fulfillment process supports them.