We're not going to promise a same-day fix here, because we travel to Haltom City from North Richland Hills rather than running a branch inside town, and what's actually wrong with the door decides the timeline as much as anything else. A spring swap on a standard door is usually a single visit. A door that needs a part we don't carry on the truck - an obsolete opener board, for instance, on a unit original to a 1970s build - means a wait on that part before the job finishes.
The practical honest answer: most common repairs on doors from this era close out in one visit once we're looking at the door, because the failures are predictable - springs, cables, rollers, sensor alignment. It's the uncommon stuff, the discontinued opener or a bent track that needs a specific replacement section, that stretches things out, and we'll say so before we start rather than promise a number we can't back up.