When is 30% not 30%...?

I have a 30% code from a flight issue.. applying it on a YVR-NRT routing for 2 pax Standard Fare...
Air transportation charges
Base fare - Adult (824.00 x 2) – xxxxxxxx
$1648.00

Flex
Air transportation charges
Base fare - Adult (1778.00 x 2) – xxxxxxxx
$3556.00

Promotion code applied:
xxxxxxxx – 30 Percent Discount



No code applied...Standard
Air transportation charges
Base fare - Adult (942.00 x 2)
$1884.00

Flex
Air transportation charges
Base fare - Adult (2032.00 x 2)
$4064.00


Terms of the offer...
By way of saying thank you, we are pleased to offer you a one-time saving of 30% off the base fare on your next booking at www.aircanada.com.

To receive your discount, enter the one-time-use promo code above in the Promo Code box at aircanada.com when you make your booking. If booking with your travel agent, they may enter the code at aircanada.com/agents.

This discount offer is valid for three years from today. This means you must complete the booking and travel within three years. You may use your discount for a new booking only, not an existing booking. The discount applies to a maximum of four passengers, provided all passengers’ tickets are booked at the same time.

The discount applies to the base published fare for Air Canada, Air Canada Rouge and Air Canada Express designated flights.

The final base fare can be found on the screen ‘Fare Summary’. To the right, displayed in red, you will find ‘See fare details’. Please note that when you see the fare displayed on the Select Flights screen, the discount has already been applied.

Promo codes cannot be combined with other promo codes and are not valid on Air Canada Vacation packages.


Looks like it's discounting just above 10% here.. what am I missing?

Ron.