Forum members over atMacRumors found similar results.
iPhone 6, 6 Plus support 2.1A charging, ship with 1A adapters| iLounge
iPhone 6| Macotakara
Use an iPad Power Adapter to Charge Your iPhone 6 Faster
If you're looking to boost the charging speed of your new iPhone 6 or 6 Plus, the folks over at iLounge found that the new iPhone models can take a 2.
