I always get this
Thank you for booking online at alaskaair.com / horizonair.com. Your confirmation receipt will be emailed shortly. Confirmation Code: ###### (Use this code during the check-in process). As this is an auto-generated email, for reservation assistance, please call Alaska Airlines at 1-800-alaskaair (1-800-252-7522) or Horizon Air at 1-800-547-9308.
The held reservations I make usually arrive within a minute or 2 to the email box so I dont understand