Planning takeaway
B1/B2 cases should not rely on one national average. Post-level differences can change route timing materially.
Treat official wait-time pages as route-watch signals, then choose regular, full, or expedited support based on urgency and profile readiness.
Source
U.S. Department of State wait-time resource: https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/wait-times.html