San Francisco Bay Ferry Schedule#
GTFS Stop Time Updates San Francisco Bay Ferry Schedule Summary#
Generally, we want better transit user experience. Specifically, the performance metrics we can derive from GTFS RT Trip Updates distills into the following objectives:
Increase prediction reliability and accuracy
Increase the availability and completeness of GTFS RT
Decrease the inconsistency and fluctuations of predictions
| San Francisco Bay Ferry Schedule | ||||||||||
| service_date | # Stop Time Update Messages | % Minutes with 2+ Stop Time Update Message | % Minutes with Accurate Predictions | Prediction Spread / Wobble (minutes) | Avg Stop Time Updates per Minute | % Scheduled Trips with Trip Updates | Bus Catch Likelihood (early + ontime predictions) | Prediction Padding (minutes added to avoid missing bus) | Prediction Error IQR (75th - 25th percentile) (minutes) | Prediction Error 50th percentile (minutes) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-01 | 68,007 | 98.9% | 47.6% | 0.1 | 3.0 | 100.0% | 27.0% | 2.6 | 1.3 | -0.0 |
| 2025-06-02 | 98,742 | 98.7% | 46.8% | 0.1 | 2.9 | 100.0% | 30.0% | 2.7 | 1.4 | 0.1 |
| 2025-06-03 | 98,301 | 98.7% | 45.0% | 0.1 | 2.9 | 100.0% | 33.0% | 3.4 | 1.6 | 0.3 |
| 2025-06-04 | 126,111 | 98.8% | 45.2% | 0.1 | 3.0 | 100.0% | 34.0% | 3.0 | 1.3 | 0.3 |
| 2025-06-05 | 124,482 | 98.9% | 46.9% | 0.1 | 3.0 | 100.0% | 34.0% | 3.0 | 1.2 | 0.2 |
| 2025-06-06 | 127,818 | 98.7% | 46.5% | 0.1 | 3.0 | 100.0% | 34.0% | 3.0 | 1.4 | 0.3 |
| 2025-06-07 | 67,929 | 98.8% | 46.0% | 0.1 | 3.0 | 100.0% | 33.0% | 3.8 | 1.5 | 0.2 |
| 2025-06-08 | 67,806 | 98.8% | 47.6% | 0.1 | 2.9 | 100.0% | 32.0% | 3.0 | 1.1 | 0.2 |
| 2025-06-09 | 95,784 | 98.5% | 47.4% | 0.1 | 2.9 | 100.0% | 31.0% | 2.6 | 1.3 | 0.1 |
| 2025-06-10 | 97,524 | 98.6% | 45.7% | 0.1 | 2.9 | 100.0% | 30.0% | 2.9 | 1.6 | 0.1 |
| 2025-06-11 | 122,247 | 98.8% | 46.4% | 0.1 | 3.0 | 100.0% | 31.0% | 3.1 | 1.4 | 0.1 |
| 2025-06-12 | 114,813 | 97.8% | 46.3% | 0.1 | 2.8 | 100.0% | 33.0% | 3.2 | 1.5 | 0.3 |
| 2025-06-13 | 124,764 | 98.7% | 45.9% | 0.1 | 3.0 | 100.0% | 30.0% | 3.4 | 1.4 | 0.1 |
| 2025-06-14 | 68,967 | 98.9% | 48.8% | 0.1 | 3.0 | 100.0% | 27.0% | 2.4 | 1.2 | -0.0 |
| 2025-06-15 | 44,889 | 98.9% | 47.6% | 0.1 | 3.0 | 100.0% | 28.0% | 2.3 | 1.4 | 0.0 |