day letter

A day letter was a telegram class offered by telegraph companies, chiefly Western Union in North America, that prioritized cost over speed. It accepted messages up to 50 words (or sometimes 100 words depending on the carrier and era) at a flat rate significantly lower than a fast or priority telegram, typically costing roughly half as much per word. The trade-off was explicit: delivery could be deferred until later the same day or early the next morning, depending on traffic and distance.

Day letters were routed behind urgent traffic on telegraph lines. A fast telegram sent at 10 a.m. might arrive across the country by noon; a day letter sent at the same time would wait for available transmission capacity and might not reach its destination until evening or the following morning. This made day letters practical for routine business correspondence, price quotations, order confirmations, and other messages where a few hours delay was acceptable. They were especially popular among smaller firms, brokers, and traders who needed to exchange information without paying express rates.

Most carriers applied a minimum charge that covered a set word count, typically 50 words. Every word above that threshold incurred an additional per-word fee, though still cheaper than fast-telegram rates. The message itself followed standard telegraph format: address, body text, and signature. Some companies offered variants like a "night letter," transmitted after business hours at even lower rates but with delivery the following morning.

The day letter became obsolete as telephone networks expanded in the mid-20th century and digital communication methods eventually replaced telegraph entirely. By the 1970s and 1980s, most telegraph companies discontinued the service. For historians and those reading archived business correspondence, however, the day letter remains a marker of how information speed and cost once involved real, measurable trade-offs in the industrial economy.