Estimated delivery for a standard letter (1 oz) from Ohio to Las Vegas, NV:
| USPS Service | Estimated Business Days | Features |
|---|---|---|
| First-Class Mail | 2–3 | No tracking (letter); $0.66 |
| Priority Mail | 1–3 | Tracking, $100 insurance; $9.35+ |
| Priority Mail Express | 1–2 | Guaranteed by noon, tracking, insurance; $28.75+ |
Variables: Origin/destination ZIP, drop-off time, weather, holidays, volume.
For packages, use Priority Mail (2–3 days) or UPS/FedEx Ground (3–5 days). Always track.