Coverage — RunTimeCal

Feature by feature

UK and US, side by side

Feature	United Kingdom	United States
Flight alerts	Yes — any departure airport	Yes — any departure airport
Background flight monitoring	Yes — free tier included	Yes — free tier included
Airport collection alerts	Yes	Yes
International arrivals wait estimate	Yes	Yes
Drive alerts (live traffic)	Yes	Yes
Train disruption checks	Yes — TfL (London) & ~25 major stations via National Rail	Not available
Payday / bill reminders	Yes — UK bank holiday aware	Yes — US federal holiday aware
Pay cadence support	Standard monthly	Bi-weekly & semi-monthly supported
Currency display	GBP	Currency-aware amount display

By region

The honest version, region by region

United Kingdom

Fully proven

Flights, including non-UK departure airports
Background flight monitoring + airport collection alerts
Drives with live traffic
Trains — London via TfL, ~25 major stations via National Rail
Payday with correct bank holiday handling
Currency-aware amount display

United States

Core features proven

Flights, drives, and general reminders all work
Background flight monitoring + airport collection alerts
Payday correctly handles US federal holidays
Bi-weekly and semi-monthly pay cadences supported
Train tracking is not available

Everywhere else

Untested

Core mechanics are architecturally country-agnostic
Google Maps and flight data have broad international coverage
Payday/holiday logic has no data outside UK/US — falls back to weekday-only
Not yet a selling point, by design

Why we're specific about this

It would be easy to claim broad international support since the underlying data providers technically cover most of the world. We're not doing that until it's actually been tested — an untested claim is worse than an honest gap.

Where RunTimeCal actually works today

UK and US, side by side

The honest version, region by region

United Kingdom

United States

Everywhere else

Fit in the UK or US? You're in the proven zone