Reservations can be made and purchased on the AirJapan website (PC and smartphone sites) up to 5 hours prior to departure time (local time at the airport of departure for each flight) (not available at the contact center or airport).
*Caution*
If you need assistance with boarding, you can also make reservations at the Contact Center.
<Highlight>Reference</Highlight><GrayLink>How long before my flight can I make a reservation?</GrayLink>