It’s not just distance. The mailing day matters a lot. Drop your postcard on a Friday afternoon? It might sit in a bin all weekend, partying with other lonely mail. Monday morning is the VIP lane for postcards.
Also, how you address it is huge. A blurry zip code or a missing “Post” line in the UK can send your postcard on a magical mystery tour. And remember: postcards need a stamp—not just any sticker, but the right postage for the weight and distance.
The Holiday Slowdown (A Cautionary Tale)
If you mail a postcard in December, forget the normal rules. Holiday mail is like a human avalanche. Your little postcard is buried under a mountain of Amazon boxes and holiday cards. During the winter crunch, expect double the usual time.
I once sent a “Happy New Year” postcard from Mexico City on January 2nd. It arrived in Chicago on Valentine’s Day. My friend thought I was being romantic. I was just being lazy.
How Long Does Mail Take: 7 Fast USPS Delivery Times 2026