Run 139 -- Blue Line
========================================

line:        Blue (#00a1de)
status:      en route
destination: O'Hare
position:    41.98351, -87.85939   heading 267 (W)
next stop:   O'Hare  (predicted 2026-08-15T21:43:05)

The CTA positions feed reports only the next stop, so the full
upcoming-stop sequence isn't available here without a separate
per-station query.