Manufacturing Business Outlook Survey: Delivery times: Current (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - United States - Philly FED - Monthly
This series is part of the dataset: Manufacturing Business Outlook Survey (Philly FED)
Download Full Dataset (.xlsx)Latest updates. According to recent survey data about manufacturing firms in the Third Federal Reserve District, the seasonally adjusted diffusion index for delivery times (share of CEOs seeing a recent increase minus share reporting a decrease) was -3.4 in September 2025, compared to -5.4 in August.
Sample. In the monthly series displayed in the figure, there are 689 records. The time period covered by the series extends from May 1968 to September 2025.
History. Take a look at some simple statistics calculated on the full sample: the diffusion index had a mean of -2.2; it recorded a minimum of -34.2 in June 1980; it recorded its highest level of 39.8 in November 2021.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-07-31 | -4.7 |
| 2025-08-31 | -5.4 |
| 2025-09-30 | -3.4 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did delivery times increase or decrease in the past month? |
| Country | United States |
| Economic concept | Business survey response |
| Data type | Coincident indicator of the business cycle |
| Deflation method | Not applicable |
| Seasonally adjusted | Yes |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Percentage points |
| Source | Federal Reserve Bank of Philadelphia |
| Source type | Central bank |
| Data licence | Not copyrightable under U.S. law |
| Measure type | Diffusion index (share of respondents reporting an increase minus share reporting a decrease) |
Series in the same data set
Discover the other time series included in this data set.