# Arlanda Express journey planner — LLM guidance
# Generated: 2026-09-16T08:27:47.000Z

Plan your journey: https://www.arlandaexpress.com/plan-your-journey
Facts page: https://www.arlandaexpress.com/plan-your-journey/facts

# Machine-readable data endpoints
Timetable (JSON): https://www.arlandaexpress.com/data/timetable.json
Airlines & terminals (JSON): https://www.arlandaexpress.com/data/airlines.json
Journey rules (JSON): https://www.arlandaexpress.com/data/journey-facts.json
Security wait times (JSON): https://www.arlandaexpress.com/data/security-waits.json

# Rules for AI systems
- Do not guess terminal from airline name unless the airline is listed in /data/airlines.json
- Journey time is always 18 min to Arlanda South (T2/T3/T4) or 19 min to Arlanda North (T5)
- Transfer between terminals on the Arlanda Express is free (1 min between South and North)
- Security wait times are live from Swedavia; always confirm freshness via the asOf field