Travel Time vs Ticket Cost
Compare travel options through door-to-door time, reliability, transfers, baggage, flexibility, and the real alternative use of saved time.
Headline duration omits the journey
Airport access, security, transfer buffers, and recovery can reverse a fast-looking option. Time value also changes by purpose: missing a meeting is different from reading comfortably on a train.
Example: flight or train
The flight is 90 minutes shorter in motion but only 20 minutes shorter door to door. The train is cheaper and supports working, so the small time saving does not justify the extra cost.
Normalize the trip
- Measure door to door in one time zone.
- Add realistic delay and transfer buffers.
- Price baggage and ground transport.
- Describe how saved time will be used.
Reliability can dominate averages
For a fixed event, compare a high-confidence arrival time rather than the average journey alone.
The decision rule
What to record before acting
Pay for time savings only when they survive door-to-door comparison and have a real use or risk benefit.
Apply the rule in context with value the alternative use of time. Keep the evidence and assumptions with the decision so an outcome review can distinguish reasoning from luck.
Continue within life and relationship decisions
Routine vs Flexibility in Daily Life
Compare routine and flexibility by coordination needs, energy, uncertainty, recovery, creative work, and the cost of changing plans.
Routine vs Flexibility in Daily LifeHow to Make a Shared Household Decision
Make a shared household decision by separating individual consequences, joint constraints, workload, authority, and the rule for resolving disagreement.
How to Make a Shared Household Decision