Manufacturing Business Outlook Survey: Delivery times: Current (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - 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 survey data about manufacturers based in Pennsylvania, New Jersey and Delaware, the seasonally unadjusted diffusion index for delivery times (share of CEOs seeing a recent increase minus share reporting a decrease) was 24.0 in September 2026, compared to 4.2 in August.
Sample. There are 701 data points in the monthly time series displayed in the graph above. The time range covered by the series extends from May 1968 to September 2026.
History. Here's a glimpse of a few descriptive statistics calculated on the full sample: the diffusion index was equal on average to -2.1; it hit a minimum of -36.0 in June 1980; it hit a peak of 41.8 in March 2022.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 13.8 |
| 2026-08-31 | 4.2 |
| 2026-09-30 | 24.0 |
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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 | No |
| 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
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